Not as many mining in these around...

http://i.imgur.com/0TA6Tds.jpg

http://i.imgur.com/LVYqUQp.jpg

http://i.imgur.com/K4rlS4R.jpg?1

old 2008 Mac Pro, 7970, 7950 below, 6970 up top

That giant window fan is actually to exhaust my kitchen/whole apartment but it obviously helps suck all that miner heat outside as well!  That's an old iPad 1 on the wall I use for kitchen stuff but it makes a nice VNC terminal...