Originally Posted by txpossum
Are you really looking for something smaller, or just better ergonomics? What will be it's main use or uses? Are you tied to any one caliber, or is that choice flexible? How much experience with handguns do you have? Any handgun you've particularly enjoyed shooting in the past? Need more info to make a meaningful suggestion.
I agree. Go to a gunstore, pick up a lot of different guns, see what feels the best, see if you can rent the couple that feel the best. Buy the one you shoot the best.
(For what its worth, I'm partial to the M&P line).