As always thanks for the replies!

I've heard of the Skytrek before. I'll check it out.
As for camping we rather stick to free bushcamping wherever we can, especially on a long trip it saves you heaps. I'll check out the hiking trails though.

I reckon I won't have much internet access till Alice so I better ask now:
What's your opinion on Walkers Crossing Track?
What's your preferred track combination for the Simmo?
And what track do you like from Mt Dare up to Alice?