Naw, I'm sure it'll get worked out. Dell has a vested interest in SP1 working on their systems. There should be more information about the error# & I'm sure the flood gates are open.
Just FYI.. don't be in a rush to gamma-test Vista SP1 just yet! Let 'em work things out. I got lucky my system was ok after the attempt.
Its the (Windows) NT OS (Operating System) Kernel executable... or WINDOWS itself if you will; a critical process in the boot-up cycle of Windows. Even though its named NT, it remains to this day.