I picked up my 2011 Volt March 25, 2011 and have just about 7500 miles on it at 45% electric use.
I bought the SPX Voltec Charge Station outright for a little over $500, did most of the electrical work myself, and paid an electrician about $400 to do the rest and make it legal (up to code). So, about $900 total for me. I find it a major convenience, it's more efficient, and I have had ZERO charging problems. Take a look at some of the threads here that deal with "charger" or charge cord problems. They are almost all with regard to the 120V system. I have never been sorry that I bought and installed the 240V station.
Last edited by MichaelH; 09-14-2011 at 07:33 PM.
Reason: added purchase and use info
Michael in New Mexico, Volt #1761