It is finally time to upgrade my ten year old Yamaha HT receiver to something with switchable HDMI connections. The little bit of research I have done has shown some HDMI compatibility issues with various cable DVRs. My Cox cable system uses Motorola DVRs. Are there any particular brands of HT receivers or models I should avoid or are these problems just teething pains of early models with HDMI switching? Any other advice? I'm looking for a basic 5.1 system with 4 HDMI inputs and around 100w per channel. I have a pretty decent JBL wired speaker system so I'm not in the market for HT in-a-box. I wouldn't mind an iPod connection either.