Hi, I'm new to this site and I'm looking for a bit of advice. I am looking to upgrade to first my first proper headphone and amplifier combination, having recently bought a set of Grado sr325is (upgrade from rubbish bose Q102s). I've been looking around for the best DAC and amp combo and have narrowed the field to the Nuforce Icon HDP nad Yulong D100. The Nuforce seems to offer the best all around package with a top end USB DAC (as stated on their website, please discuss), top class amp and headphone preamp. However the Yulong has got raving reviews about it's reference quality sound on this site from some serious head fiers, but it's lack of a preamp worries me.
I'll be primarily using top end mp3s from my computer (which has a S/PDIF optical output for 192kHz stereo instead of the limited 96kHz rate accepted by both of the above's usb connections). However I will also be using RAC interconnects from my CD and bluray player (Pioneer, i think it's a BDP 430 or LX53, will check if this affects anything).
Would really appreciate any insights, would also love some advice on cables to use.