Take a look at these: PreSonus Audiobox ($150) http://www.presonus.com/products/detail.aspx?productid=53 http://www.presonus.com/products/detail.aspx?productid

Take a look at these: PreSonus Audiobox ($150) http://www.presonus.com/products/detail.aspx?productid=53 http://www.presonus.com/products/detail.aspx?productid=53 FiiO E9 ($110) http://www.amazon.com/gp/product/B004M172FY http://www.amazon.com/gp/product/B004M172FY Peachtree Audio iDac ($1000) http://www.amazon.com/Peachtree-Audio-idac-Digital-Converter/dp/B004KNJU04/ http://www.amazon.com/Peachtree-Audio-idac-Digital-Converter... or the Nova for just a bit more and it has a tube and built in amp: http://www.amazon.com/Peachtree-Nova-Integrated-Stereo-Amplifier/dp/B0026LX3HS http://www.amazon.com/Peachtree-Nova-Integrated-Stereo-Ampli... The latter is what my cofounder has (pictured in my post in the background on the window sill) and loves. He also had a Decco for a while (before realizing they were underpowered for his speakers): http://www.youtube.com/watch?v=SljFut8cUnc&feature=channel_video_title http://www.youtube.com/watch?v=SljFut8cUnc&feature=chann... A few more that I'm not too familiar with: http://www.amazon.com/Audiophile-Products-Fubar-Plus-Headphone/sim/B002XO973M/2 http://www.amazon.com/Audiophile-Products-Fubar-Plus-Headpho...