Build: the worksmanship is great, feels much less plasticky than i would have thought.  I pluging it straight into the usb on my win 8 64bit desktop, the card lit up and started working within seconds, hovewer when i tried to manually install all the software/drivers, it said it did not recognize my asus xonar u7?!? after 15mins, i have discovered that the USB switch was set to 1.1. Set it to 2.0 and everything was fine! Installed, restarted and started listening...   Testing: Bear in mind that i never had a dedicaded headphone amp, i...