Hi, I currently fed a nuforce dda-100 with an ipod Touch and a Pure i-20 through its coaxial output. At the time being I'm not considering any upgrade except maybe a new transport. In particular, I'm considering a mac mini as a solution for both audio and video streaming from a NAS. Anyway, the Mini is rather expensive and I find its cost justified only if it can provide also serious improvements from a a SQ point of view (in combination with audirvana plus – integer mode). The more I look into the matter, the more it seems that making the mini sound good requires a lot of software optimizations, power supplies substitution, etc… From your experience, is the upgrade worth considering from a sound quality point of view? Thx!
Purely as a digital transport (Mac Mini), no. However if you're looking for overall flexibility, i.e. streaming, external hard drives etc. then yes.