Tried the upsampling and for about 10 seconds it sounds great - but then buffers for about the same time, and so on. Guess the Intel Atom in my little Asus Lamborghini might not be quite up to the job?

Had mine about 2 weeks now and very impressed.  Integrated into my budget system (Asus laptop running J River MC18, Pioneer A20 amp, Revolver Audio Music One speakers, Audioquest cables & connects) replacing a cheap ebay SMSL DAC (which I thought was OK in fairness to it).  Playing files up to...