Hi all, I am looking for advice about some changes I'd like to make. Right now I have the DirecTV "Choice Xtra Plus HD/DVR" package. I have an HR21-200 HD/DVR in the living room hooked up to a 46" Panny plasma, and an R15-300 (DVR, but non-HD) in the bedroom hooked up to a 26" LCD. I have a 3rd...