I am having trouble getting 900 degrees on my DFP as well, the logitech link above does not list anything about the DFP. Anyone have another link? This is where i looked first.
Also a question about the FFb - is the wheel meant to shake soo much just going in a straight line with little power? (on high settings)

Hey new to S2 here!
Had played the demo for a few weeks with keyboard, then bought S1 around the same time as my Logitech DFP which is amazing!
Just (this minute) upgraded to S2 so see ya in the servers!

Yea, this is very unclear when upgrading from S1, i only found out after reading this thread that you have to lock and re-unlock. Should be in the email.