just a list of machines with some spec info:

uranus:

os : gentoo
Linux uranus 2.6.23-gentoo-r3 #2 SMP Thu Dec 20 13:21:39 EST 2007 x86_64 Intel(R) Xeon(TM) CPU 3.00GHz GenuineIntel GNU/Linux
purpose : primary workstation
cpuinfo
meminfo
dmesg

sol (sunblade 100):

os : ubuntu 6.06 LTS
Linux sol 2.6.15-26-sparc64 #1 Thu Aug 3 02:59:18 UTC 2006 sparc64 GNU/Linux
purpose : secondary workstation / ssh gateway
cpuinfo
meminfo
dmesg

pluto (yellowmachines yellowbox):

os : debian gnu 3.0
Linux pluto.pissedoffadmins.com 2.4.25-vrs2-3.30-4 #1 Tue Aug 1 15:33:10 PDT 2006 armv4l unknown
purpose : nas
cpuinfo
meminfo
dmesg

mars (sun cobalt qube 3):

os : CentOS release 4.6 (Final)
Linux mars.pissedoffadmins.com 2.6.16i586 #1 Mon Mar 19 16:42:24 GMT 2007 i586 i586 i386 GNU/Linux
purpose : dns server / ntp server
cpuinfo
meminfo
dmesg

tucanae (thin client):

os : pfsense 1.2
FreeBSD tucanae.pissedoffadmins.com 6.2-RELEASE-p11 FreeBSD 6.2-RELEASE-p11 #0: Sun Feb 24 16:49:14 EST 2008     sullrich@builder6.pfsense.com:/usr/obj.pfSense/usr/src/sys/pfSense_SMP.6  i386
purpose : router

mercury (SPARCengine cp1500):

os : Debian GNU/Linux lenny/sid
Linux mercury 2.6.22-3-sparc64 #1 Mon Nov 12 11:16:03 UTC 2007 sparc64 GNU/Linux
purpose : webserver / nas / mixed use
cpuinfo
meminfo
dmesg

there are other laptops, umpc’s, pda’s and other misc machines that are not on this list.