You haven't turned off your /etc/fedora-development file you need to turn this off.
Then go to a repo download the fedora-release.rpm and the fedora-release-notes.rpm. You might still have issues but just make sure you yum clear all and then yum update.
Rawhide:
Broken deps for i386
----------------------------------------------------------
NetworkManager-openvpn - 1:0.7.0-2.svn3047.fc8.i386 requires NetworkManager >= 1:0.7.0-0.4.svn3030
NetworkManager-vpnc - 1:0.7.0-0.4.svn3030.fc8.i386 requires NetworkManager >= 1:0.7.0-0.4.svn3030
PyQt-qscintilla - 3.17.1-3.fc8.i386 requires PyQt = 0:3.17.1
amarok - 1.4.7-7.fc8.i386 requires libmtp.so.6
anaconda - 11.3.0.50-2.i386 requires libdhcp4client-3.0.6.so.0
anaconda - 11.3.0.50-2.i386 requires libdhcp.so.1
anaconda - 11.3.0.50-2.i386 requires libdhcp6client-0.10.so.0
blam - 1.8.3-9.fc8.i386 requires gecko-libs = 0:1.8.1.8
epiphany - 2.20.1-3.fc9.i386 requires gecko-libs = 0:1.8.1.6
epiphany-devel - 2.20.1-3.fc9.i386 requires gecko-devel = 0:1.8.1.6
epiphany-extensions - 2.20.1-2.fc8.i386 requires gecko-libs = 0:1.8.1.8
gnome-python2-totem - 2.20.0-1.fc8.i386 requires libtotem-plparser.so.7
gnome-web-photo - 0.3-5.fc9.i386 requires gecko-libs = 0:1.8.1.8
gtkmozembedmm - 1.4.2.cvs20060817-15.fc8.i386 requires gecko-libs = 0:1.8.1.8
kdebase4 - 3.94.0-2.fc9.i386 requires libkdeprint.so.5
kdebase4 - 3.94.0-2.fc9.i386 requires libkdeprint_management.so.5
kmod-sysprof - 1.0.8-1.2.6.23_0.142.rc3.git10.fc8.i686 requires kernel-i686 = 0:2.6.23-0.142.rc3.git10.fc8
kmod-sysprof-PAE - 1.0.8-1.2.6.23_0.142.rc3.git10.fc8.i686 requires kernel-i686 = 0:2.6.23-0.142.rc3.git10.fc8PAE
kst-fits - 1.4.0-8.fc8.i386 requires cfitsio = 0:3.040
mkinitrd - 6.0.19-4.fc9.i386 requires libdhcp6client-0.10.so.0
nash - 6.0.19-4.fc9.i386 requires libdhcp6client-0.10.so.0
openoffice.org-core - 1:2.3.0-6.6.fc8.i386 requires libhunspell-1.1.so.0
openvrml-devel - 0.16.6-6.fc9.i386 requires firefox-devel = 0:2.0.0.8
openvrml-xembed - 0.16.6-6.fc9.i386 requires firefox = 0:2.0.0.8
perl-Spreadsheet-WriteExcel - 2.18-1.fc8.noarch requires perl(Date:

alc)
postfix-pflogsumm - 2:2.4.5-3.fc9.i386 requires perl(Date:

alc)
rhythmbox - 0.11.2-11.fc9.i386 requires libtotem-plparser.so.9
rhythmbox - 0.11.2-11.fc9.i386 requires libmtp.so.6
ruby-gtkmozembed - 0.16.0-14.fc9.i386 requires gecko-libs = 0:1.8.1.8
sqlgrey - 1.7.5-1.fc7.noarch requires perl(Date:

alc)
swatch - 3.2.1-1.fc8.1.noarch requires perl(Date:

alc)
xen - 3.1.0-13.fc9.i386 requires xen-hypervisor-abi = 0:3.1
Broken deps for x86_64
----------------------------------------------------------
NetworkManager-openvpn - 1:0.7.0-2.svn3047.fc8.i386 requires NetworkManager >= 1:0.7.0-0.4.svn3030
NetworkManager-openvpn - 1:0.7.0-2.svn3047.fc8.x86_64 requires NetworkManager >= 1:0.7.0-0.4.svn3030
NetworkManager-vpnc - 1:0.7.0-0.4.svn3030.fc8.i386 requires NetworkManager >= 1:0.7.0-0.4.svn3030
NetworkManager-vpnc - 1:0.7.0-0.4.svn3030.fc8.x86_64 requires NetworkManager >= 1:0.7.0-0.4.svn3030
PyQt-qscintilla - 3.17.1-3.fc8.x86_64 requires PyQt = 0:3.17.1
amarok - 1.4.7-7.fc8.x86_64 requires libmtp.so.6()(64bit)
amarok - 1.4.7-7.fc8.i386 requires libmtp.so.6
anaconda - 11.3.0.50-2.x86_64 requires libdhcp.so.1()(64bit)
anaconda - 11.3.0.50-2.x86_64 requires libdhcp6client-0.10.so.0()(64bit)
anaconda - 11.3.0.50-2.x86_64 requires libdhcp4client-3.0.6.so.0()(64bit)
blam - 1.8.3-9.fc8.x86_64 requires gecko-libs = 0:1.8.1.8
epiphany - 2.20.1-3.fc9.x86_64 requires gecko-libs = 0:1.8.1.6
epiphany-devel - 2.20.1-3.fc9.x86_64 requires gecko-devel = 0:1.8.1.6
epiphany-devel - 2.20.1-3.fc9.i386 requires gecko-devel = 0:1.8.1.6
epiphany-extensions - 2.20.1-2.fc8.x86_64 requires gecko-libs = 0:1.8.1.8
gnome-python2-totem - 2.20.0-1.fc8.x86_64 requires libtotem-plparser.so.7()(64bit)
gnome-web-photo - 0.3-5.fc9.x86_64 requires gecko-libs = 0:1.8.1.8
gtkmozembedmm - 1.4.2.cvs20060817-15.fc8.x86_64 requires gecko-libs = 0:1.8.1.8
gtkmozembedmm - 1.4.2.cvs20060817-15.fc8.i386 requires gecko-libs = 0:1.8.1.8
kdebase4 - 3.94.0-2.fc9.i386 requires libkdeprint.so.5
kdebase4 - 3.94.0-2.fc9.i386 requires libkdeprint_management.so.5
kdebase4 - 3.94.0-2.fc9.x86_64 requires libkdeprint.so.5()(64bit)
kdebase4 - 3.94.0-2.fc9.x86_64 requires libkdeprint_management.so.5()(64bit)
kmod-sysprof - 1.0.8-1.2.6.23_0.142.rc3.git10.fc8.x86_64 requires kernel-x86_64 = 0:2.6.23-0.142.rc3.git10.fc8
kst-fits - 1.4.0-8.fc8.x86_64 requires cfitsio = 0:3.040
mkinitrd - 6.0.19-4.fc9.x86_64 requires libdhcp6client-0.10.so.0()(64bit)
nash - 6.0.19-4.fc9.i386 requires libdhcp6client-0.10.so.0
nash - 6.0.19-4.fc9.x86_64 requires libdhcp6client-0.10.so.0()(64bit)
openoffice.org-core - 1:2.3.0-6.6.fc8.x86_64 requires libhunspell-1.1.so.0()(64bit)
openvrml-devel - 0.16.6-6.fc9.i386 requires firefox-devel = 0:2.0.0.8
openvrml-devel - 0.16.6-6.fc9.x86_64 requires firefox-devel = 0:2.0.0.8
openvrml-xembed - 0.16.6-6.fc9.x86_64 requires firefox = 0:2.0.0.8
perl-Spreadsheet-WriteExcel - 2.18-1.fc8.noarch requires perl(Date:

alc)
postfix-pflogsumm - 2:2.4.5-3.fc9.x86_64 requires perl(Date:

alc)
rhythmbox - 0.11.2-11.fc9.x86_64 requires libmtp.so.6()(64bit)
rhythmbox - 0.11.2-11.fc9.x86_64 requires libtotem-plparser.so.9()(64bit)
rhythmbox - 0.11.2-11.fc9.i386 requires libtotem-plparser.so.9
rhythmbox - 0.11.2-11.fc9.i386 requires libmtp.so.6
ruby-gtkmozembed - 0.16.0-14.fc9.x86_64 requires gecko-libs = 0:1.8.1.8
sqlgrey - 1.7.5-1.fc7.noarch requires perl(Date:

alc)
swatch - 3.2.1-1.fc8.1.noarch requires perl(Date:

alc)
xen - 3.1.0-13.fc9.x86_64 requires xen-hypervisor-abi = 0:3.1