I am trying to configure a HTPC and I have some questions. I currently have a 7.1 Polk Audio speaker system hooked up to an Onkyo 989 THX receiver. I’ll probably sell the receiver to fund the following. I would like to build an HTPC that will replace my receiver, Tivo, DVD player and CD player. I’m thinking that it would be best to simply have the PC hooked to a 7 channel power amplifier. Now for my questions: Are there any such 7 channel for under $1000? Also, what vid card will be able to do all the DVD/video capture encoding/decoding ? What sound card is capable of 7.1 decoding, as I won’t have a receiver anymore to do this?