I for one am glad I can join S2 servers that meet demo specs, It'll give me a chance to see what I'll be up against when I get S2.
I see this as an improvement not only because it makes demo users have to sign up, it will also unite the community and make for a better demo AND S series experiance. People are always complaining that there are more demo users than S users, well that was because people could just install the game. We are definately going to see less demo users when anything older becomes online incompatable.
When I get S2 you bet your hat I'll still be going back to demo servers, dispite the steriotype there are alot of good demo servers with alot of serious racers out there just waiting to get the money to buy S2. I myself have been on demo a LONG time, but every time I have the money, something else goes wrong that I need money to fix. Last time, it was my Graphics card, soon, it'll be my motorcycle. Can't play a game if you can't see it right?