After trawling through my old kit bag photos I may be able to help.
Mick-that is the XSV SL66. Not just a standard 2006 XSV ego.
The one Hurricane is selling is a 2006 XSV ego...hmm God the difference is minimal between the 5/6. It all comes down to the detents as the rest seems the same. The 2006 came out early 2006 and the 05 towards the back end of 05.