I ordered an STI Trojan 5 /9mm with an ambi-safety, and had never handled any gun made by STI before placing that order -- but I did read up on them quite a bit. I also ordered a S&W 625 5" .45acp revolver, but that was a no-brainer -- I knew that one would not disappoint. I think I may have ordered my P220ST without having handled that model, but owned several other SIGs, so I wasn't worried. I've never gone out on a limb and ordered something I had never seen something similar too, or something from a make I wasn't familiar with. Never even been tempted.