I am building my first HTPC, and need advice on how to control it. I currently use an MX500 (great remote!) for my HT system, and would like to use it with my HTPC also. What do I need to get it working with Dscaler (and possibly PowerDVD or WinDVD)? If I get an IRMan, how do I program the MX500 (use a preprogram command set for a component I don't own?). Do I need an Airboard in addition to, or instead of, the IRMan? Thanks for the advice!