It is weird that those kernel-modules are failing to load, but that may be because they are compiled in. I am rather clueless now about those issues, so I would at least give the generic kernel a try.
Also, with older kernels (around something like 2.6.30 this issue was resolved) I had to use acpi=off on my laptop, this of course gave issue with power-saving. With some poking around I realized that the only option that was needed was nolapic, which let all the power-savings working, maybe trying a few different options is a worthy try. Some shots in the dark, but may be you have the time to try.
If that all is not working may be it is the simpler solution to go for a cheap discrete video card.