Strictly speaking, AppJet already supports Comet, but the full support that's used in EtherPad is part of the next major version of the AppJet platform. From th

Strictly speaking, AppJet already supports Comet, but the full support that's used in EtherPad is part of the next major version of the AppJet platform. From the sound of the ITConversations interview linked above, the new platform won't be out until a bit after Enterprise EtherPad.