I'm new to HT and to be honest, I'm a little overwhelmed when it comes to the sound system end of things. I ordered an Optoma HD27 and I'm now looking for something decent to run sound through. I know HTIBs aren't looked highly upon here, but anything decent as far as separates seems to be out of my range. My living room in the new apartment I'm moving into is 15x24 and my budget is around $500 (+/- $100). I also want HDMI outs if possible. What am I looking at for a sound system in this range?