Looks great man, I like it. I just helped my buddy do a backsplash today and you're right it does kinda suck. You're lucky you went with the little square ones, he went with something like this:
http://www.kitchen-budget.net/wp-content/uploads/2012/01/glass-backsplash-tile-4.jpg
So we had a lot of lining up work to do. We used some $30 tile-scorer-and-breaker thing and it was a total bitch cutting and fitting around outlets and stuff.