Videophile
Elgato
That, and get ground lifters(If you feel risky. Ok, maybe its not as bad as it sounds)http://www.amazon.com/gp/product/B00166TT3G/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1I've been very busy at work with the Christmas holiday but I have been wanting to put up my final working schematic of my setup, I'll try to put one up soon.
***Just a heads up, for anyone with extreme static noise or hum on their lines, use a Ground Loop Isolator filter on all your Line outs from the PC's, these cleaned up my audio quality 100%
Link:
http://www.amazon.com/gp/product/B001EAQTRI/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1