I have a PCIE XFI Titanium HD and recently installed the latest pax drivers for win 8.1 After having lots of troubles and trying out multiple driver versions I finally got it working! Huzzah! Sadly now that it is working my music doesn't sound NEARLY as good as it used to before I formatted. Not sure what happend or what I did wrong but maybe someone has some experience with this and it's obvious to them what the problem is. I've messed with all the creative audio settings and changed it to the entertainment mode and toggled whatever I could think of and it doesn't even come close to what it used to be. I also tried audio creation mode and that was what used to sound the best and still no good! Any suggestions?