I've been using laptopvideo2go drivers, and have always had to merge certain components of the official dell inf so I could shut the lid and the backlight would turn off (wouldn't happen with basic available mod). This takes care of it and I'm glad.

do the new gpu's run hot? any operation that can be parallelized will run better on simd enabled gpu's. intel will merely be used to run common operations like operating system in which case, 600 Mhz is overkill. this is really disruptive technology

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It's nothing new- just official backing now. I've had PhysX running on my XPS 1730 (8800M GTX SLI) since PhysX was first enabled for the desktop 8-series cards. No problems. Just go to 'www.laptopvideo2go.com' and read up on the good work they do over there.

I can see how enabling it on a single 8700M or something like that would be pointless, but no different from a desktop.

I think it's been a great addition for the people that can use it.

On my Dell XPS M1730, 8700M GT SLI 512MB, T7500 Merom, XP Pro SP3. 3DMark06 drops from around 8000 with Dell OEM 156.61 to around 5200 with the beta 179.28 and also the beta drivers do not recognise the builtin PhysX 100 Series PCI-E PPU chip. Gonna try Dell's 176.78 at some point.

"The unified driver will also lend a helping with Adobe CS4"

How so? AFAIK, photoshop cs4 uses opengl and not cuda.

I hope these drivers work on Boot Camp, I get fed up waiting for Apple to update 8600M GT drivers for Windows.

I know it's only a manufacturers code and model number in the install config scripts to make general NVIDIA drivers work in Boot Camp, but I would prefer just to run the installer without messing about with it -- and not have to wait for Apple.