I'd also suggest the S&W. If not, like someone already said, check out
http://www.palmettostatearmory.com
The constantly have GREAT deals and they don't sell crap. you can even buy a rifle kit ranging from $499-$750. the kit plus a stipped lower and you've got a rifle. you would likely need to pick up a rear sight or a red dot but those can be had for cheap. keep us posted!!!
chris