Well, I tend to not shoot as well w/ barrels under 4" - My SW99 is exactly 4 inches. Now, my G34 and HK USP fullsize are bother over 4", but I still do better w/ that 1 gun.
I plan to go practice a lot w/ my USP compact in the future. Although, for next month, I think I'll use my compact p99.
How often do you go shoot on average? I get out there about every 2 weeks, 3 weeks tops. And, the dry firing has helped me a lot.
U got that sweet Kimber, ya gotta practice more :-D