I think that
an RL01/RL02 + a small 11/23 or 11/03 actually takes
 quite a bit less power than most dual-socket, dual-core Xeon
 servers do these days...
 Of course, an RM0[235] or RP0[3-7] is a different matter... 
 Who cares.
 When it comes right down to it, in the US at least, power is pretty
 damn cheap. Turning on a large system - say one that sucks up a
 couple or three kW - for the weekend really does not cost all that
 much. And it is for fun, right? How much do we spend taking a girl or
 the wife out for dinner and a movie? It will be much more than what
 you spent on electricity to feed your computer for a couple of days!
 
 
For the weekend, sure.  I meant more like running it 24x7.
Pat
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Purdue University Research Computing ---