Anyone who says a SigPro is just Sig trying to compete with Glock has never shot one, and probably never handled one. From an accuracy and reliabilty standpoint, Pro's are EVERY BIT what a classic Sig is. I'd put a SigPro up against ANY Glock, USP, SW99, XD, etc, any day of the week. Classic Sigs fit my hand slightly better than the Pro's do, but the Pro I had had a much nicer trigger, and was just as accurate. And they can be had $500 NIB with night sights, which is a steal.
Only thing about the Pro I could find fault with is the slighty cumbersome takedown (which most pistols have compared to classic sigs), and the plastic frame MIGHT not be as durable as the aluminum on the classics. I'm 99% sure that I could put my P228 on a rock, run over it five or six times with my Jeep, and though scratched up, it would still shoot just fine. I don't know if a Pro could stand up to that or not. Since there's only one person on the board abusing their pistol that bad (Hi Bigbore!) then thats probably a completly moot point. I do believe that a Pro would do find covered in mud/sand/camel shit/etc...