The video below is from IDF 2010 dated DEC 1, 2010, it is a demonstration on Bridge technology using a laptop PC platform with lightpeak integrated also known as the “Thunderbolt”.
The laptop is connected to a prototype Avid Pro Tools HD audio interface and the computer is running Pro Tools HD. Obviously, there are no PCI Express cards in sight.
Avid is wasting no time getting their Product ready for this thunderbolt technology.
This would eliminate the use expansion system, in which would become sooner or later a technology of the past.