Audigy 2 ZS vs DAC PCM2702

Hello!

First I want to apologize for my english. I'm begining my adventure with international forums. So be indulgent :)

I have choice between:
Audigy 2 ZS
DAC based on PCM2702

Which one will be better for music? I know Audigy is a powerfull card for home cinema, but it's still only INTERNAL card. As everybody knows computer make a lot of noise. Will be this a problem?

I want to apologize for my english once more. Thank for any help in my problem!