I find the Kimber Polymer to be extremely accurate and very enjoyable to shoot. Its great to have that much firepower in a .45. Actually, my brother liked it so much that he bought it from me (so I still get to shoot it every week).
I had some feeding issues with it in the beginning. The guys in the gun shop said it probably just needed to be broken in a little more. I sent it back to Kimber anyway to have them look at it. Its been 100% reliable since then.