http://ducatiusa.com/news/ducati_island___indianapolis/2010/08/30/2077/index.doAlso, Ducati.net recommends hotel package rates @ $40-50 less per night than the Ducati NA recommendation:
http://www.ducati.net/component/content/article/49-ducati-front-page/165-indianapolis-motogp-2011Googling "Project Mugello Indy 2011" will yield similar results.
Suggested itinerary: leave D/FW early 8/24, 2 full days (1 night) to get there, Thursday 8/25 - Sunday 8/28 (4 nights) there, and 2 days (1 night) to get back. 6 nights total.
Route suggestions for AR/MO going, and return for same states vs. KY/TN welcome, as are person(s) willing to go and share accommodations.
The hotel packages won't last forever....