I like #1 the best, the expression is just so natural and the background is more evident in this shot compared to the second, so that's what I think sets it apart. The framing is a little tight I think, on both one and two, but still, nice shots.
Thanks guys. He just looks that sweet and happy all the time. Loves having his picture taken and hams it up. I got him his own camera for Christmas and now I know what its like with a camera in MY face all the time