There will be 150 of those, in fleet vehicles, in the US as well. I don't have one, but I pulled all the strings I could think of.
Those are 2010 Prius plug-ins. They may have different Lithium battery packs. Toyota is testing them all and pick the best one.
That's the first PHV conversion prototypes based on the Iconic Prius with two NiMH packs. The Lithium PHV Prius (not converted) will be based on 2010 Prius. Here is a quote from Toyota: Source: Irv's Sheet: Prius Plug-In MPG Not Yet Available - Pressroom : Our Point of View Post / Toyota
No, you are not, you were right from start. These are new 2010 PHEV with new lithium ion packs. Toyota to lease over 150 experimental PHVs in Europe