a powerpc xserve (running OSX server)

a sparc box (on solaris)

an alpha box (on either VMS or Digital Unix)

a pa-risc box (hp-ux)

a modern power box (Rocky or AIX)

an itanium box (running either VMS or NT depending on what the alpha is running)

a pi cluster (plan 9)

and a commodity x86 server (running OpenBSD, FreeBSD, Debian, Hurd, Redox, Serenity, reactos, and AROS).

and make a MOAP (mother of all pubnixes). if anyone has any hardware they'd like to donate, get in contact :)