If you have not been following the recent .webfont proposal by Tal Leming and Erik van Blokland check it out.  The proposal is rational and workable.  Quite a few foundries have voice their support including (these were gleaned from the H&FJ twitter feed)

• H&FJ
• Klim
• Process Type Foundry
• Fonthead
• Mark Simonson Studio
• Porchez Typofonderie
• House Industries
• Stone Type Foundry
• Emigre
• Feliciano Type Foundry
• Typotheque
• Letterror
• FontShop
• Type Supply
• Village
• Typotheque

Typotheque has an excellent expalnation and demo here.