Its admittedly a biased source but this is the official line:
http://www.adobe.com/products/player_census/flashplayer/
Shockwave penetration is around the figures you quoted, but Flash is allowed in all but the most archaic systems, at least thats what the stats for our own clients show.
I do agree though content shouldnt ever be flash only. In fact we dont really use it very much at all. In my opinion its only useful for games and rich media applications.
http://www.adobe.com/products/player_census/flashplayer/
Shockwave penetration is around the figures you quoted, but Flash is allowed in all but the most archaic systems, at least thats what the stats for our own clients show.
I do agree though content shouldnt ever be flash only. In fact we dont really use it very much at all. In my opinion its only useful for games and rich media applications.