[citation][nom]neiroatopelcc[/nom]I replaced a failed 8800gtx with an 4870 this summer, and while the performance is adequate to my expectations, everything else is not! [/citation]
With all due respect, did you consider the possibility that you have a bad card and it's not the drivers?
I've recieved bad cards from both Ati and Nvidia, some dead right out of the box, some that crash without reason. So I send 'em back...
And are you sure your cooling is insufficient? Or your PSU? The driver boogeyman is all too often blamed for every problem. It's an easy armchair diagnosis.... not saying you specifically, but too many people don't dig into the issue and instead just throw the blame at drivers.
Maybe I'm just lucky, I dunno. I've been switching between Radeons and Geforces on my primary gaming machine for the last two years, I still can't think of a situation where either has had a game I couldn't play because of a driver problem. I have good cooling and power, might be a factor...