IMHO the roll pin punch set is the only way to go when working with roll pins. They really help prevent slipping and maring the parts. You'll still need some standard pin punches though.
Check out this place.www.brownells.com Here's some part numbers for you
> Professional punch set(10 pc.)$31.66
Nice assortment of punches you'll use for everything not just your AR.
> Align punch set (3 pc)$14.92
Good for lining up parts .
> 156001 - 1" Nylon/brass hammer combo $16.32.
Nice hammer that fits your hand good . (not one of those little wuss hammers with a tooth pick for a handle )
Good tools you'll pass down too your kids kids.