You're OK either way
I've had my M&P9c for two and a half years now, and it's been flawless. No jams in over 1000 rounds. Handles nicely, holds 12+1 in a compact frame, and is accurate. Unlike what others have reported, mine has a smooth trigger.
I haven't shot a SR9c but had a P95 that was a very good weapon, just kinda bulky and clunky. It now serves as my nephew's HD gun. My Rugers have all been good guns, too.