860 has bigger display on front
860 has light for camera
860 has video capture
860 has button to auto open flip
860 is a little smaller
the i850 is a little lighter
850 is cheaper $50 rebate
850 has better talk/standby time
850 has off network 2-way direct talk
850 supports groups (talk to multiple contacts at one time)
850 is not as square looking
850 is textured and not as glossy as the i860 so it will look prettier longer.
