I just checked there are different version of fedora 15 according to user needs
Code:
*spins.fedoraproject.org/#bypopularity
#1 KDE
A complete, modern desktop built using the KDE Plasma Desktop.
#2 XFCE
A complete, well-integrated Xfce desktop.
#3 LXDE
A light, fast, less-resource hungry desktop environment.
#4 Security
Security analysis tools.
#5 Games
55 downloads A perfect show-case of the best games available in Fedora.
#6 Design-suite
Open Creativity.