I own 6 1911's currently and had 6 others that I traded or sold. A lot of it depends on how much you're willing to spend. The cheaper ones are going to have cheaper parts and cheaper labor, that's given. They will run though. As far as reliability goes don't go any shorter than a 4" barrel.
1911's sold
Para GI Expert
Rock Island GI 38 Super
Smith & Wesson 1911PD Commander
Springfield Loaded
Les Baer Stinger
Para P13
Current
Springfield Mil-Spec Stainless & Mil-Spec 38 Super (customized)
Colt Custom, Government, & Commander all in 38 Super
Les Baer UTC
Good video on 1911's
http://www.youtube.com/watch?v=33OftaiCq_U
I may go into further explanation on all the different ones I have owned but that will be tomorrow.