hey guys just been looking at these 7.1 PC sound cards to use a receiver both have optical audio in's and have 7.1 analog outs 1: http://www.xonar.com/ with http://www.dvhardware.net/article27745.html 2: http://www.jp.onkyo.com/pcaudio/pcid...oard/index.htm with http://www.google.com.au/imgres?imgurl=http://www.onkyowavio.com/img/200PCI_schema.jpg&imgrefurl=http://www.onkyowavio.com/11-onkyo-wavio-se-200pci-ltd.html&usg=__VzXqP4b5o1n_JlqJXrItjL8AV5Y=&h=323&w=500&sz=24&hl=en&start=0&zoom=1&tbnid=sS5byjYNa-i2AM:&tbnh=114&tbnw=176&prev=/images%3Fq%3Donkyo%2Bse%2B200pci%26um%3D1%26hl%3Den%26safe%3Doff%26sa%3DN%26biw%3D1280%26bih%3D592%26tbs%3Disch:1&um=1&itbs=1&iact=hc&vpx=305&vpy=242&dur=256&hovh=180&hovw=279&tx=155&ty=107&ei=vYv_TJvlEo3qvQPqmpj0Bw&oei=vYv_TJvlEo3qvQPqmpj0Bw&esq=1&page=1&ndsp=17&ved=1t:429,r:6,s:0 Could I use either of these cards to replace a surround sound receiver Thanks jesse