Damn. Did an internet search because I was confused thinking Rock Island Armory was Rock River Arms. Anyway, I came across a thread regarding RIA 1911s in another forum. Slightly old thread. The content is very good. Lots of positive comments about RIA.
http://www.ar15.com/forums/t_5_36/13...nd_Armory.html
Thank you OP for turning me onto RIA. Will seriously consider buying one.