I just read the book last week (I decided to read it before watching the show, and was able to find it at my local library), so this is something that caught my attention in the pilot. I'll tag it just in case, as it is book-related, though I wouldn't really consider it to be much of a spoiler. In the book
. Sam-as-Jamie is a bit older than I'd pictured Jamie, but otherwise his portrayal fits my image, and he seems to bring not just the HOTT, but also the charm and depth (esp in the preview for ep2 that was shown just after ep1).