EdgyEft is going to be the next-to-next ubuntu release, currently scheduled for release around October 2006. BR You can read about high-level EdgyGoals and the EdgyReleaseProcess.
The "edgy" repository will open in early to mid June, shortly after the release of Dapper. BR The name EdgyEft was announced [https://lists.ubuntu.com/archives/ubuntu-announce/2006-April/000064.html here] by MarkShuttleworth.
Edgy goals will be taken from those in Launchpad's Blueprint tool at https://launchpad.net/distros/ubuntu/+specs an will eventually move to https://launchpad.net/distros/ubuntu/edgy/+specs