Alpha sheets can now be added to games via the edit option in the alpha sheet display. In addition, statblock embedding should also work for the [sb=show][/sb] tags. Any problems, please post in experimental features with links to the sheet and the game.
Could be. Of course, if they found a way to extend standard progression to level 30 without breaking the game, I'd be pretty much astonished. I wouldn't bet on Epic Spellcasting being in though. At least not without huge changes.