Thanks for the reply Quarrion.
First link is just how I like it, straight forward and possitive.
I hadn't searched 'optitrack' which I think is the missing ingredient. I hope to implement it this evening.
The second link is somewhat confusing
I admit it's a first thing in the morning but I am not sure I follow it. I believe I may need to keep renaming a file. But that's stage two, and one step at a time is always progress.
Thank you again.
Upated - 04.03.2010
Got the TrackIR 2 setup second attempt, I hadn't noticed the part about editing the file to uncomment the driver reference for TrackIR 2 (second page of the thread).
As for FSX, I could not make it work with the IRviews.dll and then I found
http://forum.free-track.net/index.php?showtopic=2091&page=1#13562 and it worked like a charm.
Thanks everyone.