I think with most cases you will need to get converters to turn the 5.25" bays into 3.5". Cooler Master, Lian Li, and Silverstone make a 4in3 converter w/120mm fan, ThermalTake makes a 3in3 w/120mm fan, Lian Li makes a 3in2 w/80mm fan.
HERE is a place that sells all of the above.
Antec cases are good, they are solid. Really any case should do fine, but the name brands like Antec/Thermalright/Cooler Master/etc are sturdy and have good build quality.
I use an Ultra Wizard case. Every few months they pop up for close to or free after rebate. Working with it isn't as nice as with my Antec case and the metal isn't as thick, but it isn't too thin. I have used cases that were almost like tin foil, if you looked at them wrong they would warp.