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The personal site of Jamie Knight, an autistic web developer, speaker and mountain biker who is never seen far from his plush sidekick Lion. View the Archive

Topics: Autism Development

13" Retina MacBook Pro Review

A few weeks ago i started testing the 13” retina MacBook Pro. My goal was to see if the rMBP was a viable replacement for my aging iMac and MacBook Air combo.

Can i consolidate to the rMBP? Does the screen justify the high price? Will i miss the 11” form factor? Is it ready for primetime?

Consolidating to one Mac.

While i was self employed i had a dedicated Mac for work. It mostly lived under lock and key to keep client data secure. At home i had a Mac Mini for media and the Air for studying and personal stuff. When i left self employment i sold the Mini and my work Mac to fund an iMac.

Since getting Sky TV i have been using my media machine less and less. I don’t do much client work either so the iMac is really getting to be overkill for my needs. The iMac also carried a maintence overhead. Ensuring that it remains backed up and up to date.

So, i wanted to know if i could combine the iMac and the Air into one MacBook. The rMBP performed well here, it’s plenty fast enough to handle all my media and development needs and the screen is frankly beautiful.

However, the rMBP has a big flaw. Storage. Even after slimming my media library down to only my favourites it was still way to large to fit on the 128gb drive the rMBP comes with. Given the cost of the rMBP this is disappointing, i would happily spend a little more for a larger drive but a £550 premuim for a 512gb drive is way to much.

So, my conclusion is that right now i could not consolidate to the rMBP for a resonable cost. Damn.

Does the screen justify the price?

Much has been written about the retina screen in the rMBP. It is very impressive. Taken on its own it’s a marvel, easilly the best screen i have ever used. For some users the screen will justify the premuim. If i did more freelance work then i could justify the screen but for my personal needs it’s not so clear cut.

Apart from the financial cost the retina screen currently carries a performance and form factor cost. The general UI performance is noticeably degraded. The most noticable issue is scrolling complex pages. Even using the webkit nightly build scrolling is choppy on most pages and almost non functional once you page zoom.

The form factor costs relates to choice. A retina screen is only avaliable on the 13” and 15” models. Drat.

Form Factor

After two years using an 11” MacBook air i am very fond of the small portable form factor. While the 13” pro is only a little larger (a couple of CM in each direction) the added weight is really noticable. I cannot easily manipulate the rMBP when moving it around. Compared to the 13” pro it replaces it is a wonder, but compared to my 11” Air it’s a slab of a machine.

Final Words

The rMBP feels a little ahead of its time, the enginnering is superb and its easy to see the potential. However, on the current generation of chips the performance is lagging behind the promise. For me, it does not provide a clear enough win to justify the price premuim over sticking with my iMac and Air setup.

Looking forward i am very optimisitic. Time will resolve all of my complaints going forward. The price of the screen and storage will drop and hopefully Apple will see it fit to add an 11” Stablemate.

Published: 27 January 2013 | Categories: , Permalink

Javascript Cryptography Considered Harmful

Javascript Cryptography Considered Harmful

“Just as all programs evolve towards a point where they can read email, and all languages contain a poorly-specified and buggy implementation of Lisp, most crypto code is at heart an inferior version of PGP

A great summery of why The JS environment sucks for crypto. Also contains some witty truisms about programming.

Published: 27 January 2013 | Categories: Permalink

Retina MacBook Pro First Impressions

I’ve been testing the 13“ Retina MacBook Pro (rMBP) for a few days now. Here are some first inpressions compared to my 11” MacBook Air (MBA, or “Air”).

Form Factor.

Compared to the Air it feels huge. This is no suprise, the Air is tiny, but I have found myself using it on the desk more. Unlike the Air, i cannot manipulate it easily with one hand. It’s a small change but reminds me of the extra mass every time I interact with it.

Will see if its something I get use to. Overall I like the form factor a lot. It runs very cool and quiet and the HDMI port is very useful.

Retina Display

The display looks great, but like other retina displays you get use to it quickly. I was worried that I would be effected by the ‘ghosting’ issues but it all seems clear so far.

The screen looks good, but its just one element of the package. I would almost be tempted a cheaper non retina model.

I noticed the text rendering the most, web pages appear ultra sharp and detailed. Retina screens do spoil all the other screens around you. If I do return the rMBP its going to be hard to go back to the screen on the 11” Air!

Readability and Accessibility

I use my iMac in HiDPI mode which doubles the physical size of everything on the screen. My eyes are a bit dogey so HiDPI allows me to sit a comfortable distance from the iMac for reading.

I was worried text on the rMBP would be to small for comfortable use. So far things seem okay. I make heavy use of screen zoom for small text (eg chat windows) and while browsing. A side benifit of the retina display is that it still looks great when zoomed in 200%!

VoiceOver runs really well on the rMBP. Interactions are more fluid (eg less delays between text selection and speech etc) and it has been 100% stable. The VO experience on the Air really sucks in comparison.

Storage

I have 128gb of storage in the rMBP. Getting more storage gets expensive quickly! To jump to 256gb of storage is £150, going to 512gb is £400 more on top again. Ouch!

I have far more than 512gb of data across the Air and the iMac. How’s i should proceed seems a little unclear. I need to find a balance between storage space, cost and simplicity. I have a few ideas, going to have a play this week.

WebKit.

In Safari the rMBP won’t scroll some pages smoothly, however this has been fixed in the WebKit daily builds. I have the WebKit daily build installed and all is well. Hopefully the performance tweaks with get into safari soon. I do notice some occasional stutter especially when zoomed. This is starting to become annoying.

Published: 16 January 2013 | Categories: , Permalink

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