go here the only site for rimfires
http://www.rimfirecentral.com/forums/
look here first. also look at the marlin, mossberg, remmy, winchester, and cz threads, before deciding on a ruger. I have one that would be considered superstock, which is, looks very origional, but has upgraded internals, to throw everyone off, on how well it shoots, and it's reliability. Most 10.22's out of the box, are not that accurate, or reliable. If you want to dump a bunch of money into a rifle, then a 10.22 is perfect. Also , if they are going to shoot
500 rounds a piece, dont' get a 17, that ammo is as expensive or more, than 223. get a 17mach 2, or 22lr. heck , some decent match grade 22 ammo , is as expensive as 17mach 2, and the mach 2 is funner faster, more accurate, and shoots like a laser , out to 150 yds.
I am pretty much totally obsessed with the mach 2 rounds and rifles right now.