Figured out a minimum con budget - $576 for room + 4 DDR pads + 2 Cabinets. lol.
I really wish I'd had my full $2500 budget two months ago. Then we would have 2 cabs, 2 minicabs, 10 DDR pads, DMX, PPP, and a much less stressed out Tofu. (I need to finish painting a house this week, sell my bass, and come up with another $100, then buy all the materials and build 4 DDR pads and 2 cabinets)
Also, add $90 if my PC -> RCA cable doesn't work. It should arrive this week.