Game of Thrones is definitively something to check out. I have lots of friends that can't stand Fantasy Themed shows and they loved Game of Thrones. (Probably because of the boobies, but the story is great too)
I guess if it came down to it, I would probably be screwed. My video gaming and IT skills would not come in handy during an apocalypse as far as I know.
People with the similar issues say it's a video card issue (if changing your settings doesn't fix it). Make sure your card is up to date and mess with the screen resolution to see if that makes a difference.
Already caught up (it's only three episodes in?)
Seems like it could be a good show. But with my luck, I know that as soon as I get into it, the network will cancel it...