Welcome Wswen,
I am in Aurora and we occasionally have Chicagoland owners meets
Probably no more this year but we start up again in the spring.
Here are some links to pics from past meets.
Again welcome and good luck with the tire swap etc.

Chicagoland meet 9/9/07

Chicagoland meet 10/21/07

Chicagoland meet 5/18/08

Chicagoland Meet 8/3/08

Chicagoland Meet 10/05/08