This blogger writes about a better installer, Compiz and controls, Beagle, Tomboy and F-Spot and other things that improve Ubuntu 7.04
Read it here
As you may have heard, Ubuntu 7.04, aka “Feisty Fawn”, won't be out on schedule. The release candidate, originally scheduled for Thursday, has been delayed due to bugs with PATA handling. In the meantime, users can upgrade from version 6.10 “Edgy Eft” by editing /etc/apt/sources.list, replacing all instances of “edgy” with “feisty”, and doing an upgrade with Synaptic or “update-manager -c”. It will be buggy, but it will also have an obscene amount of new features.