What to expect from the new fedora?
I'm running F15 on my trial box. After a month with Gnome 3, I dumped it and reinstalled with KDE 4.6.2. When I started with Linux, I always chose KDE based distros, so switching back was no big deal. We are still in Beta with F15, so, there still are problems, but, the KDE version is running way more stable than Gnome version, and feature wise, KDE 4.6.2 is way more configurable than Gnome 3. When I update my home network in about a month, it will probably be with F15 KDE.
Systemd is still quirky, but, unless you're doing advanced networking, you're not going to run into any problems.
Firefox 4 seems stable and I haven't noticed any of the memory leaks that the FF3 versions had.
NetworkManager still seems to be having problems with VNC but they're working on that.
Google Chrome is having stability problems with F15, I switched back to Firefox for that reason. Heh, GoogleTalk plugin is working flawlessly on FF4, but not in Chrome (not even on Chrome in F14 or F13).
There doesn't seem to be any major blocker bugs at the moment, unless you consider Gnome 3 as a blocker bug as I do.
I've been waiting for the release of a Meego iso/LiveCD, that is having problems, but that doesn't really affect regular F15.
That's about all I can think of at the moment.