The USFL is a deep (45 man roster w/ IDP) 16 team dynasty type league at myfantasyleague.com. I have around seven guys right now and I'm looking for at least eight more.
The cost is $10 per team. First place wins an NFL replica jersey of their choice.
Here is the link, feel free to look around and checkout the rules.
http://football.myfantasyleague.com/200 ... 84344&O=26
If you are interested in joining email me with a brief fantasy/roto history at mailto:firstname.lastname@example.org
and I will get you an invite.