HDTV Listings for September 2, 2008

What we're watching tonight:

• USA (1080i) has U.S. Open at 7 p.m.

• CW (1080i) brings the series premiere of 90210 at 8 p.m.

• ABC Family (720p) has The Secret Life of the American Teenager at 8 p.m. and Greek at 9 p.m.

• ABC, CBS, NBC, CNN & PBS cover the Republican National Convention at 10 p.m.

• A&E (720p) has The Cleaner at 10 p.m.

• Sci Fi (1080i) brings ECW at 10 p.m.

• Discovery (1080i) has Smash Lab at 10 p.m.

• ESPN HD (720p) has the 2008 WSOP at 8 & 9 p.m.

• ESPN2 HD (720p) has Hey Rookie, Welcome to the NFL (Part 1) at 8 p.m.