Hi Jeff, you should have a look at: http://www.bwired.nl/how_rfxcom.asp (monitoring obsessed guy... see http://www.bwired.nl/) or http://openenergymonitor.org/emon/ "you Can't Improve What you Don't Measure" Why don’t we replace google powermeters program ? it's just one o two weeks of .net programming... http://www.google.com/powermeter/about/index.html I think its a good project