Some people say the stainless WC prone to scratching but the blued one should hold up better.
I'd like to have a blued WC and one of these SHTF Hybrid IWB holsters for it.
http://www.amazon.com/Ruger-Hybrid-Holster-SHTF-Gear/dp/B005SBNB48/ref=sr_1_24?s=sporting-goods&ie=UTF8&qid=1361578562&sr=1-24
http://www.shtfgear.com/Holster-by-Make/ruger/ACE-1-RUG-GP100
"Order at our online store at http://www.shtfgear.com and save $10.00 off of MSRP"
I'm really thinking one would be nice for my KLCR .357 as well.
The finish on the cylinder seems to be very tough.