Hello, I am in the market for a HDTV (over-the-air) receiver and was curious to know what sort of internal scaler and comb filters these use. I know there are numerous makes, models and price points, but after visiting numerous manufactures Web sites, Audio/Visual Forums, Google 'groups', etc. I either get half answers and no information at all. One reason I am asking is that if one comes with a pretty decent scaler chip and 3D Digital Comb filter and it accepts external components you can use it as a 'poor mans' scaler and you get HDTV as a bonus! I know going HTPC or a dedicated external scaler along with a HDTV receiver would be the best way to go, but I haven't won the lottery (yet!) so I have to make my pennies count. Thank-you in advance!