Ok, so after years of being an NV boy, my 5850 is coming today and I am moving over to the Dark Side 
I'm on Win7 at the moment; what is the suggested route for getting the NV drivers off cleanly before installing CATs?
Or is it not so much of an issue because I am switching brands?

I'm on Win7 at the moment; what is the suggested route for getting the NV drivers off cleanly before installing CATs?
Or is it not so much of an issue because I am switching brands?