I have the HK USP Compact .40. I really like it. Unless your hands are small the P2000 is too small. My meat hooks hung off it.
If you are looking at HK, make sure to check out the P30. It is possibly the best, most comfortable pistol I have ever handled. It is superb!
Here's a good review:
http://www.thehighroad.org/showthread.php?t=313733