I guess I'm not really sold on why this is better than IMAP, which is a protocol that, um, actually exists and you can use today. Fixing the perceived drawback

I guess I'm not really sold on why this is better than IMAP, which is a protocol that, um, actually exists and you can use today. Fixing the perceived drawbacks of IMAP would seem to be a more productive goal than trying to produce a competing protocol/standard. (Cf. http://xkcd.com/927/ http://xkcd.com/927/)