1up isn't so great at the actual "journalism" part of "videogame journalism," but they do know how to entertain with loads of features, the 1up show, and Broken Pixels.
IGN has a bunch of boring individuals that actually do a lot of research. I visit IGN more often.
Gamespot used to be pretty good, too... it's too bad it rotted out from within. If you don't know about the Gamespot controversy with Jeff Gerstmann, you should definitely check it out
