Good new PHV fans, the plug-in Prius you've been promised should start pulling into American driveways in February or March of 2012 -- at least according to a startup date chart at Donlen. The fleet management firm claims initial orders will be taken on November 10th of this year, with the vehicle scheduled to into production in January. An Autoblog tipster also claims to have some rather vague details about trim and color options, as well as its estimated MSRP, which should be below $30,000. Now we've just got to figure out how many exten