> i'm looking for a _cheap_ 2U high (or less) system that would
> run netbsd.  there seems to be more and more companies offering
> such PCs for $1k or more, but i was wondering about other
> architectures.
> 
> i just need a few GB of disk, 64MB of ram or more, nic
> (obviously), and console/serial port.

Depending on your application, there's also the SunSparc & Alpha
architectures.

You can get a sparcstation 10 or an AlphaServer 250 for a couple of
hundred dollars off Ebay.  They'll both run NetBSD without a major hitch.