Here's what I got everything for including shipping:
M22's, VP100, QS4's: $1026
HSU STF-2: 412.50
Yamaha RX-V557(from etronics.com): $301.43
Cables from BlueJeansCable: $75
Total: $1814.93
I also bought a Radio Shack SPL meter and an Avia Home Theater Test DVD to calibrate.
You may also want to consider the SVS PB10, a noteworthy competetor to the HSU STF-2 for almost the same price.
My dorm room is 21x9x8. My bedroom at home is 11x11x8. Sound is more than sufficient in each category.