I recently recieved (late May 2008) my 2008 Prius package #2. I was told to expect around mid to high 40's before the break-in period. My last two fill-ups have been around 8 gallons, maintaining an average of 55 to 56 mpg. While I am not complaining, I was wondering if there are any changes or modifications that have occured to the 2008 prius. I do hypermile, both pulse and glide and warp stealth when ever possible. Are these realistic mpg averages for the car at 700 total miles on the odemeter?