Oh also I recommend you Google a little about the decocker. There's lots of anecdotal stuff about these pistols discharging a round if the decocker is used on a loaded chamber.
Yes, if you remove the firing pin safety, which is a common mod when you replace the original firing pin. It is possible for the decocker to fire the gun in rare occasions.
I've tested mine and the decocker will not fire a round. However, I just don't use the decocker. Never muched liked em anyway.
there was a thread over at
http://www.gunboards.com a while back where a fellow tested some various surplus and commercial ammo. Most was in the 1500-1600 fps range. With some weaker rounds coming in around 1400 fps. Some reloaders claim upto 1800fps but I think thats probibly pushing ones luck.
They are cheap fun, one day when the supply dries up they won't be so cheap anymore. So, it best to enjoy em while one can.
Plus, they work great for fixing laptops
http://www.supload.com/vid/laptop/701139971/wmv/