Earl of Sandwich is very tasty, but tends to be very busy at lunch time (and probably other times, but I've only been there at lunch). It's worth waiting in the line, though. You might just either have to sit on the patio or scramble for a table.
Wolfgang Puck's Express is quick and tasty. The pizza they have is very good, as well as the soups and pastas. They have quite a lot of variety too.
I'm not a big fan of the Rainforest Cafe, but that's an option too. I haven't eaten at Planet Hollywood in years, so I couldn't judge that, and I've never been to HOB at all.