"I also believe that computers have matured to the point that truly new marketable products will become more and more rare so why bother with the software patent issue at all."
I can remember someone in the late 60's saying that all the possible songs possible had already been written and that pop music would stultify and die. Fat chance, but they hadn't heard the Gallagher Brothers.
Computers are unlikely to cease, their format will change, radically. The writing is already on the wall for the standard box PC, although what will form follow it is not yet certain.