Something basic...
In my case, it was a Sistema Colt (aka 1927), which is the Argentine name for the original (WWII-era) Colt 1911A1. Made in Argentina under license from Colt, this is the same gun as the Springfield milspec, just older, and about $150 cheaper ($300 for a top-grade gun from JLD Surplus (www.cruffler.com/JLD.html))...
When they say 'very good' condition, that's an understatement, or at least my gun was... I'm getting another one soon...
In addition to Springfield and the Agentine surplus guns, Rock Island and Norinco also make 'mil-spec' .45s. However, I'd preferr one of the first two...
'Star', 'Firestorm', 'llama', and 'Ballester-Molina' are all 1911-look-alikes. About the only thing that they have in common with the 1911 besides looks is the .45ACP cartridge and the mags...