ART Tube MP 'Project Series' w/ USB

[fullcircle]

Hey there,
Has anyone tried this newest version of the ART Tube MP that has USB connectivity?
I am wondering how this would work as an interface on a Mac w/ GarageBand or Logic.
I had an older non-USB version of the Tube MP years ago and while not spectacular, it was a handy little box for the $$$. It sounds like they've updated it quite a bit and it might make a good interface for recording bass direct to the Mac (or with a mic).
The reviews for this on Musicians Friend are positive, but who knows what that means...
Any experiences to share? Much appreciated.

[MIJ-VI]

Art Tube MP - Project Series w/ USB, review *bump*

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EDIT:

Dallas' Gear Review: ART Project Series Tube MP Mic/Inst Pre w/USB (With sound clips.)

[seamonkey]

It's unidirectional - it's not an "interface"
Get a regular interface and use plugins to add tube sound when you need it.