IMO use Joomla with a spicy template
Its very very & again very flexible
I made a glitter site based on joomla for Orkut.com
You can use it if you are low on cash else there is a script called MSRS (Myspace Resource Script)
Montsa007
P.S. - If you need some code help Ping me, altough am not a pro i'll do my best to help u
