On the BI forums Nilz has posted 4 new Armed Assault video's.
The videos were made by shadak, and the following PC was used:
X2 4600+ (slightly OC'd), 2GB RAM, Gf7950GX2 1GB VRAM
It runs pretty well 1280x1024 with 2xFSAA on highest details except shadows
which he left on medium.

Walkaround 9.35MB movie of the player walking around a M1A1. Download here	Headshot 14.4MB movie showing a headshot. Lot of gore in this one. Download here
Building destruction 11.9MB movie showing a building being blown up. Download here	Destroying traktors 13.4MB movie showing a player blowing up some parked traktors. Download here

Source: BI forums