Currently, the menu files hardcode the menu positions of a lot of system-config utilities. It would be much nicer if they had appropriate categories instead. For system-config-nfs.desktop that would be Categories=System;Settings;
fixed in system-config-nfs-1.3.26 which is building right now
system-config-nfs-1.3.33-1.fc7 has been pushed to the Fedora 7 testing repository. If problems still persist, please make note of it in this bug report. If you want to test the update, you can install it with su -c 'yum --enablerepo=updates-testing update system-config-nfs'
system-config-nfs-1.3.33-1.fc7 has been pushed to the Fedora 7 stable repository. If problems still persist, please make note of it in this bug report.