Trylinux.orgyum repository from Dell
I was thinking to myself it would be really great if Dell made available a yum repository for open manage. So I did a search and sure enough the do! This makes my job a lot easier 
http://linux.dell.com/repo/hardware/
Also check out http://linux.dell.com/wiki/index.php/Repository/software
and http://linux.dell.com/wiki/index.php/Repository/firmware