I have a bastardized KSC/KWA combination, but it works damn fine for what it needs to do. Fairly accurate, heavy metal, fits a real Safariland 6285 with ease, and loves chewing down .28 rounds. Decocker is a huge plus, as well as KWA's parts shop. They have really obscure parts and shipping's cheap and fast from California. KWA will also sell you a blank slide for trades and all that wonderful stuff.
I have RS Beretta grips on mine:
