I know that a few poeple on here are using media jukebox in HT environments with lossless files and are looking for maximum quality systems...
I was recently pointed to a UK company by one of our users on AVS and have asked him to write a bit about the product he decided on.
The company is Carillon Audio Systems
http://www.carillondirect.com/ based in London. Thier solution looks really well thought out and utilizes high quality components power supply and low noise options... The RME cards are at the highest end of the PC audio chain currently (arguably between these M-Audio / Ego Sys depending on application) and this may be of interest to people looking for that high end rackmount component for multi zone solutions...
There is an AVS thread where I am trying to get info and get some AB style comparisons to solutions I have heard here
http://www.avsforum.com/avs-vb/showthread.php?s=&postid=1869322#