With the utmost respect, old boy, I was under the impression that P51s were done. They'd been subject to a lengthy project by Lt Wolf (a lot of time and effort went into them, I assure you) which covered most major variants, with a painstakingly researched FM. On the other hand, another project was also carried out on the P51s at the same time, by whom I forget for Ultra Pack, again, with much love and effort and research being put into it. There was quite a bit of debate over which FMs were more accurate, with both sides presenting well researched data that their aircraft emulated. At any rate, one or either set of P51s was incorporated into HSFX and UP, and presumably later, DBW as well. Therefore the set of P51s which can be flown with mod packs are have been heavily worked on and are finished. If you take issue with the FM, I assure you, the FMs were very well researched. I've never flown any aircraft, so I cannot comment from there, but I have done a lot of historical research and the sources used were gen. There was a lot of discussion over whether pilot's descriptions from the time and reminiscances were useful or not. (We're talking a few years ago now)
The original modders are probably unlikely to want to re-open what were finished aircraft, and current modders probably have plenty enough on thier plate to getting on with. The other thing is, writing an FM is very difficult and there aren't *that* many people who can do it. But like I said, these aircraft are considered finished, it's not like it was a frankenplane job, and it's not like the P51s were the original 1C jobbies either. So I hope that explains why there have been no takers.
At least the suggestion sparked some interesting debates.
Lord Frank Cholmondley-Featherstoneshaw