Here are some shots of the cabinet this site and a few others are housed in. Mostly for my personal projects, I also let friends put their servers in here for fast speeds and getting gear out of the house. Click on the photos for full resolution.
Rear:

Front:

Current Electrical Load:

My Eye in the Sky (Axis 215 PTZ camera):

20x IR LED to provide light source when dark for IR sensor in camera:

Top of cabinet ambient temp:

Ambient heat output of the machines:

Ambient temp of intake air:

Currently the cabinet has installed (top to bottom looking at the front):
Unused Asus ION Atom 330 with 4GB ram installed
4x Supermicro Atom D510 w/IPMI and 4GB ram installed (eucalyptus cloud nodes)
1 supermicro Atom 330 with 2GB installed (eucalyptus cloud controller)
RJ's 1U VPS machine
My 1U VPS machine
RJ's 1U 4 drive Atom D510 4GB ram file server
My 3U 8 drive Atom D510 4GB ram file server
Looking from the rear, the extra goodies are:
Axis 215 PTZ mounted on the cabinet ceiling grate
Axis M1011 mounted upper rear right corner
20x IR LED lamp for viewing camera when cabinet is dark
Cisco 3548 for networking
Panduit cable management tray
Tripp-Lite metered powerstrip
Everything in the cabinet is on IPv4 & IPv6 (even all my IPMI connections!), except:
the PTZ camera which is IPv6 only (my choice)
RJ's fileserver, to my knowledge
the Cisco switch (its old!)
the stuffed penguin
the Tripp-Lite