I have a 365 with a curved trigger and the XL with a flat trigger. I also have 2 P320's, and 1 has the flat trigger.

With concerns to aesthetics, I like the flat triggers better. But I definitely shoot the curved triggers better. A couple of my friends shot both 320's and shot the flat triggers better.

I see new spring kits for mags from Magguts and trigger spring kits from M-Carbo...I like the 4.5# result that I read about for trigger pull, but am a bit wary of weak springs on mags and all of these "enhancements" that might lead to functioning problems at the wrong time...away from the practice range...
Of course, yrs ago, I used to run with my 1911's at less than 4 lbs...but I did see a guy with real light trigger pull have his 1911 go full auto for three rds...one at the range target...one at the roof, and the third thru his scapula/clavicle...[/QUOTE]

Huh.....Back in my Army days one of the WW2 vintage 1911's went full auto during qualification. We played with that thing all afternoon. I guess if your not expecting it and have a less than ideal grip....