Yahoo has just "upgraded" their straightforward, useful and easily-customized tv grid to make it slower, clunkier and annoying to the point of uselessness. It used to be one of my most-visited Web pages, but after ten minutes of struggling with the new design, I was outta there.
If you're in the same boat, let me recommend
Zap2it, which really has improved the design of their
listings grid. A few minutes of favorite channel setup and you're golden.
My only qualm is the lack of registration (which some will consider a plus). Check it out.