I bought a R.O. in 9mm for IDPA matches. Added a Ed Brown magwell, Dawson F.O. front sight and cleaned up the sear. What a great shooter and it's a toss up between it and my Sig XO (45acp) for favorite semi-auto. Also had a S.A. stainless target loaded in 45acp. Another really good 1911, but I prefered my Sig's a touch more and it got sold on.
Agree with steveno. There's a bunch of good 1911's out there now but I think Springfield Armory gives you "the next level up" quality for the money.