Yeah, but those are 3.5", IIRC. That won't have a great effect on the price of 2.5" disks.

Nope, I WAS talking about 2.5" disks. See here and here

Riocar 58gig (48gig + 10gig IBM travelstar) S/N : 10101747 red
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Riocar 80gig S/N : 010101580 red
Riocar 80gig (010102106) - backup