First off, Halo ODST will be playable in Hillsboro on Sunday, August 23rd. I have to convince my co-hort Pilot to Gunner to go to this event with me. Halo ODST will be released on September 22nd, a scant one month from now.
Second-ofly, Kotaku has a small writeup on the three new maps that will be released with Halo ODST, Heretic, Citadel, and Longshore. Heretic is a remake of Midship, which is a Halo 2 classic.
All of this, plus the new Batman Arkham Asylum game pretty much ensures I'll be indoor for most of September.
Crossing my fingers for rain.