Remington 597s are finicky. I'll never say anything bad about a 10/22, but the 597 has two rods held in by allen head screws. If you don't tension those screws right it'll jam like a mofo. The early version also had really crappy mags that would stick.

I'm surprised people are talking about the 10mm. God I love that cartridge. My next handgun I plan to buy is a G20. Right now I have an EAA Witness (Tanfoglio) in 10mm. I'm just as surprised no one has mentioned the .45ACP. 1911s are some of the best feeling guns I've ever had in my hands, although I don't own one atm (had two at some point in time), I do intend to own another some day.

For ****s and giggles, my AR15 I built on a DPMS lower with a Delton M4 kit... then completely modified with lots of Magpul goodness.