NVNews was pretty good, they would post what seemed like decent articles and do some cool investigative pieces. There was a time when they even did some nV vs. ATI reviews that seemed to be fact based and without much subjectivity. I posted on their forums on a fairly regular basis and thought that a lot of the guys there were pretty cool. There was a time when I even considered helping them out in the same way I help out at Rage3D.
Unfortunately, something happened right around the time of the FX 5800 fiasco. Seemingly overnight, the site went from a decent place to visit to something that seems to be not much more than an extension of nVidia's marketing machine. It's been all downhill since then, which is really unfortunate.
I think MikeC is a good guy and maybe he has his reasons for steering the site the way he has, but in my opinion, there's not much reason to go there unless you're a dyed-in-the-wool nVidia fan-boy looking for similar company.
DriverHeaven is slanted, that's obvious even to the most casual observer, but the guys run it very well and they are obviously motivated enough to keep up the pace.
Yes, I recognize the apparent hypocrisy