I'm not going to be in the market for one, but it will be interesting to see a real-world take on it over a good number of miles.
http://www.motortrend.com/roadtests/...val/index.html
Should be a good test to keep an eye on related to plug-in hybrids, despite it being a rather uninspiring car performance-wise. But with more and more of these bound to come out in the near future, they will probably grow to be an important class of car.