well the iPhone turned out to be a non starter (draconian dev licensing) , but OpenGL ES 2 acceleration is now turning up in all sorts of interesting places so maybe a new blitzmax platform is around the corner:
http://dkc1.digikey.com/us/mkt/beagleboard.html
http://gbax.com/pandorax.html
http://dkc1.digikey.com/us/mkt/beagleboard.html
http://gbax.com/pandorax.html