Chinese SKS is a good gun, I actually prefer it to my Russian one (it feels better to me). I would recommend the ammo deal that goes with it, 360$ for a rifle and 1440 rds of ammo can't be beat. Cleaning the corrosive ammo isn't difficult just run the parts under hot water. Like others have said don't expect extreme accuracy, its designed to hit a man sized target reasonably well within 300M. You may want to get stripper clips with the gun though (makes loading a lot quicker). Other than that have fun. A point to be made is if you buy the extra aftermarket stocks and such don't expect any return out of them, they won't make much difference but if you do remember to keep the original parts as well.
Have fun