Digidesign or M-Audio?

[balla_playa2006]

I am thinking about getting a Digidesign Audio Interface but I'm deciding between that and an M-Audio Interface. Could anybody tell me which is best suitable for a home studio for recording vocals,,,like for the best sound quality? For (R&B/Rap).


M-Audio Fast Track Ultra 8R USB 2.0 Audio Interface

Digidesign Mbox 2 Audio Interface