Well, I tried the "nomodeset xmodule=nv" option and it worked partially --
Right after booting, clicking on the icon in the lower-right corner makes the main menu appear. But mousing to one of the choices gives the sub-menu, and that only has the top half of each line.
And then when I open a window with an opaque background, such as "Desktop Properties", it is also made up of stripes with the background showing between. If I move the window, it leaves behind very thin stripes. Weird. I will look into the ndiswrapper thing. Remember, it works fine under Fedora 14 with the nv driver.