Per Burris: "The Burris Eliminator Laser Rifle Scope 200112 calculates your trajectory, and marks the reticle with a 1/3 MOA illuminated aiming dot showing exactly where your bullet will hit the target. All you need to know is the drop in inches at 500 yards when your cartridge is sighted in for 100 yards. Burris provides this 'drop number' for more than 600 commercial cartridges. Once you get your drop number, you can decide if you prefer a sight-in at either 100 or 200 yards."
Gives us something to do while waiting for the technology to trickle down...