I bought 2 surplus server PS delivered to my door for less than the cost of that PS.

It is not Power Factor Corrected. Not good if you ever want to power it from a small generator.

These are high quality, PFC power supplies.

http://www.primelec.com/pc-accessori...plies-p9539000

They do take a little wiring to operate.
Excellent thread to do this on RC Groups.

http://www.rcgroups.com/forums/showthread.php?t=358340

Take a look. See if this is something you can do.