In the right circumstances, could it be useful? The one below has a capacity of 2200 lbs-not sure if that would be enough.
http://www.northerntool.com/shop/tools/product_200419685_200419685
http://www.northerntool.com/shop/tools/product_200419685_200419685
![Pallet Stacker? Pallet Stacker?](/talk/proxy.php?image=http%3A%2F%2Fwww.northerntool.com%2Fimages%2Fproduct%2F700x700%2F365%2F365386_700x700.jpg&hash=489ae3ebe98766e3ea9b4d5dfe7e8c24)