Another option would be to use infinity's modulus system. It's a 5.1 satellite speaker setup with a sub. For satellites it actually sounds pretty impressive, in my opinion better then boston's bravos although those are pretty decent. They also sell a bracket that attaches to the top of a tv to hold the left, right and center speakers. I have used this to attach the system to a plasma, it's a little tricky but it can work.
Joe