http://www.good-guys.com/pdf/10-803/SGTHotelMap10.pdf
Hotel information. Looks like the least expensive is the Courtyard---
Sorry, you will have to copy and paste the above--can't figure out how to make it a link.
Pre registration (online and over phone) ends after the 21st of this month (May).
I will be booking rooms tomorrow--I plan on staying at the Hilton unless others have stayed in Pleasanton before and can make another reccomendation---
Doug