Of the 2 I would get the smith but if you are willing to pay $1200 stretch it another $100 and get the Dan Wesson CCO.
Problems with Sig 1911s have been documented from day 1. I had a gen 1 GSR which ran well. The extractor pin walked out on me and had to be replaced. Other than that it ran great but I sold it to find other projects.
They have gotten better since they got parts production in house for things like barrels, slides and frames but they are not as reliable as the Smiths IMHO.
"Its a tool box... I don't care you put the tools in for the job that's all..." Sam from Ronin
The United States is a nation of laws: badly written and randomly enforced. -Frank Zappa
Without deviation from the norm, progress is not possible.-Frank Zappa