Heya Y'all,
I've put up a quick (8 minute) video that runs through everything you need to do to simply install WPMU via cPanel on a simple $7 + domain hosting plan:
http://wpmudevorg.wordpress.com/getting-started-with-wpmu/
Would love some feedback on how this could be improved / anything I've missed out / other stuff so let me know how you find it!
Cheers, James