8weeks visit to australia, how to make the best of it?

Planning a 8week visit to queensland, Australia and I would wanna make the best of it.
Best activities?
Best shopping areas?
Best restaurants?
Best night clubs?
Best beaches?

Best activities: diving, snorkeling, hiking
Best shopping areas: Gold Coast and Brisbane
Best restaurants: Puh - there are many :)
Best night clubs: Surfers Paradise and Brisbane
Best beaches: All the way along the east coast!

Have fun!

Hey thanx al be sure to check those out!