Since the 3-months figure is what it is supposed to take not from now but from when the porting starts, I think it's more fair to compare it to boot_wb's 2-year estimate. Still a big difference, of course.
> Since most of the work probably was already done when the "Proof of > Concept" was done a few years ago, there is less work to do now, to > get the port completed.
I think this has already been taken into account in his original estimate.