MAMEWorld Forums - EmuChat - Crash using switchres?

So I'm a little late to the .143 party, I'm just getting it set up now. With "switchres 1" in my INI file, MAME crashes instantly on two very different machines. (Core2Duo E8400/GeForce GTX 260/2GB RAM/Win7 x64 and Athlon64 X2 3800+/GeForce 6200/2GB RAM/Win7 x64) This happens with HLSL and all of the new options off. Is anyone else seeing this?

Even with switchres off, I'm also having zero luck with HLSL. When I turn it on on the Intel box, I get the usual warning screens, then a black screen with a white border and nothing happens. I do have the latest NVIDIA drivers on this system, maybe it's related to this? I haven't had a chance to roll them back yet.

On the Athlon, I turn it on and games run, but nothing is different. I see no difference in the image, and I don't even see any of the slider controls. I wasn't expecting miracles with my crappy GeForce 6200, but I thought *something* would happen. The card seems to meet the bare minimum requirements, as far as Directx and Pixel Shader 3.0 go. I'm also using an older driver on this system (191.07). Am I missing something here?