This story at OSNews reminds me of my pre-Ultrasparc gear that I’ve got kicking around there house. There is a Sparc 5 or two running Solaris, and a Sparcstation Classic (same size as a Sparc IPC) running OpenBSD. I think that one is under the desk somewhere, I’m not 100% sure.
Older Sparc (and UltraSparc) gear is getting cheaper and cheaper. I bought most of my gear through Ebay, but RetroBox also has a nice Sparc section (server and workstation) with some good deals.