[CentOS] timeout when accessing atrpms repo

Hello,
    I'm using centos5 and i just started noticing a timeout msg when running 
a yum update. It occurs with the atrpms repo, has anyone else seen this?
Thanks.
Dave.

#yum update
Loading "installonlyn" plugin
Setting up Update Process
Setting up repositories
http://dl.atrpms.net/el5-i386/atrpms/stable/repodata/repomd.xml: [Errno 12] 
Timeout: <urlopen error timed out>
Trying other mirror.
Error: Cannot open/read repomd.xml file for repository: atrpms