Travel options from Houston Airport (IAH):
http://www.fly2houston.com/iahGroundTransportation
http://www.fly2houston.com/iahShuttles
http://www.allairports.net/houston/houston-airport-ground-transportation.htm

Travel Time:
Houston Airport (IAH) to Hyatt Regency (1200 Louisiana) 
22.3 miles, 28-35 minutes
Hobby Airport to Hyatt Regency (1200 Louisiana) 
11.2 miles, 20-25 minutes

Restaurants
Download this pdf of restaurants in downtown Houston

Greater Houston Convention and Visitors Bureau, http://www.visithoustontexas.com/
Houston Arts Alliance, http://www.cachh.org/
Houston Downtown, http://www.houstondowntown.com/Home/GeneralInfo/GettingAround/Maps/