I turned off the trees and set the terrain to low and the crashes have been limited to when im switching from plane to plane or exiring a test mission from the editor.
It leads me to believe its related to the detail settings being too much for your rig.
Just a thought.
xp 3.0 dual core
3 gigs ram
1 gig 4600 ati card
i know i know...a steam engine.
