VM1: FreeBSD + HellaNZB + rTorrent
VM2: OSX 10.5 Server for TimeMachine backups, network Spotlight, Logic Node server
VM3: Windows 2003 /w Exchange (personal exchange store)
VM4: FreeNAS file server.
VM5: OpenSolaris -- need to brush up on my Solaris knowledge.
VM6: ZoneMinder (not sure if it's do-able on a VM)
It might make sense to just consolidate a Linux install with ZoneMinder + Hella + rTorrent but there are probably also some advantages to making everything as modular as possible.