Thanks for the reply! Sorry for the lack of information before.
Computer 1 (issues 1 and 2)
ACPI Multiprocessor X-64 Based PC
ATI Radeon HD 4800
Intel Xeon CPU E5530 @ 2.4GHz
5.98gb RAM
Windows XP
Computer 2 and 3 (issue 3)
ACPI Multiprocessor X-64 Based PC
AMD Radeon HD 6900
Intel Xeon CPU E5620 @ 2.4GHz
2.99gb RAM
Windows XP
Both are using adobe creative suite 3.
As for timeline and capture settings I’m working off a DV Pal Widescreen 16:9 (1.422) setting on both capture and timeline, running at 25 fps. The footage is all DV Pal shot on mini-dv tape.
Cheers for the overheating idea – I’ll check that with IT when they head over!