I'm sure many people will disagree with me, but IMO for music listening you probably won't hear much difference(if any). Check out the thread I'd posted under Advice from Axiom Owners regarding DAC, I can NOT hear any difference when compared my computer to the Sony DVD/CD player I bought from BestBuy, most DVD or CD Players have bunch of added "cool features" that are absolutely irrelevant to SQ and you don't really need those bell and whistles anyway, if you really into those stuff then go for it, it wouldn't hurt to buy one and try them for yourself. otherwise you better off stick with your current unit, unless it's broken.
IMHO, You'll get your money worthwhile and achive better SQ/Sonic improvement through amp/receiver upgrade oppose to the CD player.
