HD and Video Sources

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I was wondering which has the better upconverting chip between the two. Also, which is the better buy considering they are the same price(when not on sale). What is the difference between the ABT 1012 and the Faroudja DCDi, Torino upconverting chipset? Just curious to which has the better features along with sound quality. It looks like the HK 2600 is the middle line of that AVR, and the Yamaha is more at the top range of that line of HTR. If you could help me out that would be great. Thanks.