I needed practice with Visio so that I could get better at mapping out customer's networks.
So this is wildly overkill, but gets the point across.
In May, a new Mini will enter the picture. And if a netbook really happens, I might take a close look at it as well.
As far as the rest of the specs go:
dc7800 = VIClient / Management Console
- Normal desktop stuff
xw9300 = VMWare ESXi hosting CentOS, Server 2003, Server 2008 environments.
1x 36 GB U320 boot drive, 1x 146 GB U320 storage for VMs
2x Opteron 275, 6 GB Memory
Shuttle = will become full time web-server, eventually hosting home automation websites/weather info/etc.
SSD drive to experiment with. Currently has Win7 beta, but will be formatted soon to take on webserver role
nw8440 = work PC
The Mini is my daily driver, the other stuff gets turned on when needed.