Hello, One of the most important news releases of 2008 in GA was the release of Rolls Royce new engine for GA, the R500. Sadly, i seem to be the only one in this GA world thinking about this.  This is a total revolution, it fits in current airframes, it weighs less, and they say they'll price it just a little more than the IO-550 for example. Luckely, only Mooney at this moment was willing to make a model out of it.  For me, in Europe where not every airport carries Avgas 100LL plus where