evolution, beagle, firstboot all screwy in development updates

[Tom Horsley]

I've been trying to get my FC6t3 x86_64 system updated this weekend,
and the repos all seem to be corrupted in the vicinity of anything
having to do with evolution, beagle, and firstboot. I can't get any
of those to apply. Selected bits of the much larger transcript:

Downloading Packages:
(1/14): libbeagle-0.2.10- 100% |=========================|  42 kB    00:00     
http://mirrors.kernel.org/fedora/core/development/x86_64/os/Fedora/RPMS/libbeagle-0.2.10-2.fc6.x86_64.rpm: [Errno -1] Package does not match checksum
Trying other mirror.
http://ftp.dulug.duke.edu/pub/fedora/linux/core/development/x86_64/os/Fedora/RPMS/libbeagle-0.2.10-2.fc6.x86_64.rpm: [Errno 9] Requested Range Not Satisfiable
Trying other mirror.
...
(4/14): beagle-0.2.10-2.f 100% |=========================| 1.2 MB    00:10     
http://mirrors.kernel.org/fedora/core/development/x86_64/os/Fedora/RPMS/beagle-0.2.10-2.fc6.x86_64.rpm: [Errno -1] Package does not match checksum
Trying other mirror.
...

Error Downloading Packages:
  firstboot - 1.4.22-1.noarch: failure: Fedora/RPMS/firstboot-1.4.22-1.noarch.rpm from development: [Errno 256] No more mirrors to try.
  beagle - 0.2.10-2.fc6.x86_64: failure: Fedora/RPMS/beagle-0.2.10-2.fc6.x86_64.rpm from development: [Errno 256] No more mirrors to try.
  beagle-gui - 0.2.10-2.fc6.x86_64: failure: Fedora/RPMS/beagle-gui-0.2.10-2.fc6.x86_64.rpm from development: [Errno 256] No more mirrors to try.
  libbeagle - 0.2.10-2.fc6.x86_64: failure: Fedora/RPMS/libbeagle-0.2.10-2.fc6.x86_64.rpm from development: [Errno 256] No more mirrors to try.
  beagle-evolution - 0.2.10-2.fc6.x86_64: failure: Fedora/RPMS/beagle-evolution-0.2.10-2.fc6.x86_64.rpm from development: [Errno 256] No more mirrors to try.
  evolution - 2.8.0-5.fc6.i386: failure: Fedora/RPMS/evolution-2.8.0-5.fc6.i386.rpm from development: [Errno 256] No more mirrors to try.