It's an original Browning design from the early 90's, but still not a bad pistol, whether a SIG or not. The main idea behind its conception was that it was either a traditional DA/SA pistol, or straight DA only, with the "flick of a switch". I do remember an endurance test that showed some weakness, but I think Browning fixed the problems in production models. Had I been looking for a 9mm when it came out, I mighta bought one. Even if you never use both firing modes, it's still a good pistol, but it came late in the flood of wundernines and by then most people/departments that wanted one already had one. Just my dos centavos.
PJ