Here's the low-down...
Day 1 - Auckland - Christchurch on Qantas (Stay at Charlie B's backpackers)
Day 2 - Christchurch - Dunedin in Rental Car. (Stay at Adventure Backpackers)
Day 3 - Dunedin - Milford Sound in Rental Car (Stay at Milford Sound Lodge)
Day 4 - Sea Kayak on Milford Sound then on to Te Anau... (Kayaks with Fiordland Sea Kayaks and Staying at Kingsgate Te Anau)
Day 5 - Te Anau - Queenstown (Stay at Parklands Lodge)
Day 6 - Queenstown - Wanaka (Stay at Purple Cow)
Day 7 - Wanaka - Franz Josef (Stay at YHA)
Day 8 - Tramp on Franz Josef Glacier (8hrs) - Stay at YHA
Day 9 - FJosef - Greymouth - Blackwater Rafting in the Afternoon - Stay at Noah's Ark Backpackers (awesome place)
Day 10 - Free day in and around GReymouth
Day 11 - Back to CHCH
Day 12 - Back to AKL!