I searched and couldn't get a clear answer. This thread can be closed if it's s annoying !
Also, Meego is a new os and is backed up also by Intel. So if Meego gets flash 10, N900 users who have Meego installed can also enjoy Flash 10 provided the fact that Meego 1.0 has already been launched which has all the drivers(including graphics) for N900. Meego 1.1 will also have a UX and is going to be launched in June.