Sure! The Edge can be ordered at:
http://www.entourageedge.com/devices...rage-edge.html
I got my Asus T91MT from the Tiger Direct/Comp USA store in Naperville, IL, but it's available on the site:
http://www.tigerdirect.com/applicati...y=asus%20t91mt
The Courier is the only one you named that is still a concept, not an actual product available for order.