I was looking to purchase the Microsoft one for my MythTV box. Apparently it "only works with Windows MCE" but it should work fine under Linux.

Linky

Seemed pretty reasonable to me and was reasonably priced (A$60 odd), although that Snapstream one does look nice. I need to look further I believe...
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Christian
#40104192 120Gb (no longer in my E36 M3, won't fit the E46 M3)