Youngsilver
C'est un touche-Ã -tout
I saw this on the DFWMAS board, and thought I'd share, might not be a bad investment. You could see how inefficent your older pumps are, maybe even add everthing up and see just how much electricity your tank is costing per hour, personally I dont wanna know! 
http://www.thinkgeek.com/homeoffice/gear/7657/
http://www.thinkgeek.com/homeoffice/gear/7657/