I have decided to sell my Xin Supermacro 3 with the intention of replacing it with a similar headphone amp. The reason for sale is that I want to use the headphone amp with my PC via a USB DAC. I did have a Headroom Bithead but generally disappointed with it. Could anyone recommend an...

I am thinking of upgrading my sound card in my G5 has anyone got any suggestions? At some point I would like to add a decent dac to that as well. At the moment I am using a Total Bithead via USB and although I am happy with the sound feel that I could improove on this.