Researching a new USB Soundcard.

I need a new soundcard for my notebook, so I can get my rig more portable. I have a few criteria, it must be USB, have stable 64bit driver for Windows7, guitar and microphone inputs and have four outputs. One stereo pair for the mix and another for the cue mix.

---

Tascam US-20

2 x Inputs 2 x XLR (One doubles as a instrument input for guitar etc)
4 x Outputs Phono
Price 1200dkr

---

M-Audio Fast Track Pro

The A/B button selects the output source sent to the front-panel headphone output. In the A (out) position, the main line output signal
(Outputs 1 and 2) is sent to the headphone outputs. In the B (in) position, the S/PDIF output signal (Outputs 3 and 4) is sent to the
headphone outputs.
The headphone output level is controlled by the Level control knob. This output level is ind

Price 1300dkr