My wife and I both have Ruger Mark III's. She has the Hunter model and I have the Target with a Tactical Solutions upper. We added Volquartsen triggers to each. Both are outstanding, fun to shoot, and crazy accurate. They are also a helluva lot cheaper to shoot than my 1911s.
STI-Eagle(2)/Trojan(2)/Edge/Guardian/VIP/Rogue/Ranger III/Sentinel/Tactical 4.0/Escort; Remington Rand-1911A1; Ruger Redhawk/Blackhawk; Sig P238