Hello e-Man,
I had no luck what so ever getting the parallel port running with my G2 for the throttle, and no help from Matt Clements. I am rather sure that his adapter won't do it, or I would have heard back from him. (For anyone that wants it, mine is for sale, obviously. If running FMS is what you want, it is fine.)
My solution was buying the adapter from
http://www.milehighwings.com/
I am very pleased with it, and the price and delivery we great.
That would be my suggestion, and I am sure that you will be pleased with it.
Good Luck.