Package Updater FC5

[Caser]

hi to all,

way is the Package Updater have to download more then 40 to ....(its not 
stopping )  to retrieve update information
it used to be so fast

maybe its about the yum.repos.d
i have the fowling:
crash-hat.repo
didier.repo
dries.repo
fedora-core.repo
fedora-development.repo
fedora-extras.repo
fedora-extras-development.repo
fedora-legacy.repo
fedora-updates.repo
fedora-updates-testing.repo
freshrpms.repo
kernels.repo
kernels.repo.1
livna.repo
livna-devel.repo
livna-testing.repo
macromedia.repo
macromedia-i386.repo

 any advice is really appreciated!!!