One the one hand I LOVE the colors and backgrounds... very nice, however his posing is awkward to me, and unfortunatly, he is posing his head the exact same way in every shot... and just about the same facial expression.
As one shot, whichever you like, it works. As a series it seems redundant!
this is very nice series, the last one is the best though. I really like the composition. The posing in number 2 seem a little arkward, but it's have nice composition and color. Number one is pretty nice too.
Actually I like #2 best, particularly because it's the only one of the three where his eyes don't appear droopy/half closed. And because I'm partial to close up type shots.
All three are nice, but i agree with an earlier comment that the position of his head is basically the same in each.
#3 would have been my fav. had his eyes been open a bit more.