After Kotaku started sucking, I started using N4G.com
And nowadays whenever Kotaku finally does post something news worthy, I've already read about it somewhere else.
Of course N4G has the downside of forcing you to filter through all the bullshit that constantly gets submitted and (for some reason that is beyond me) approved.
Other than that, Joystiq is pretty cool. DemonoidDestructoid is okay... sometimes....
And I still occasionally visit IGN, though I don't have a valid reason for that one.