It's not frosted...it's pink :P
My wife had one. 3913 Ladysmith. Loved it when she bought it, but hated shooting it. She could never get accurate enough with it to be comfortable and we finally sent it back to SW for a look.
They said it was fine and I suppose that it actually did function within it's service and design limits.
That being said, it sucked azz so we sold it and went with a CZ 75 compact.
3 of them actually