Since I was able to get a MacBook Pro retina last week (you can read my thoughts about it on my blog), I've switched my laptop, for the first time in more than four years, from a 13" to a 15". (My last two laptops were 13" MacBook Airs.)
Discussions about the correct size for a laptop display can be a hostile as those between, say, emacs and vi users. I've noticed especially that many people I know prefer the 11" MacBook Air, whereas for my aging eyes, that display is too small.
So, this seemed like a good question for a poll. Feel free to add any comments you have on the poll page, explaining why your preferred laptop size is the Right Size. Vote in the poll.
Mac OS X Hints
http://hints.macworld.com/article.php?story=20120709001559560