1. have you already got a CD player?
2. have you got a headphone amp?
3 What is your current kit?
4 budget?
ie more info...
If you already have a cheap CD player (or in fact DVD player), I suggest getting a Beresford DAC, and using the headphone socket provided. Its really musical, even if it isn't on par with a decent headphone amp.
“Social progress can be measured by the social position of the female sex” - Karl Marx
“First they ignore you. Then they laugh at you. Then they fight you. Then you win.” - Mahatma Ghandi