For more specific details on attractions in each city, check all the individual cities/sites posts under Destinations-Oceania-New Zealand.
Best Time To Visit: Seasons are opposite to the Northern Hemisphere and most people who visit New Zealand choose to come during the summer season, which is December through February.
Day 1-2: Queenstown To Do: Gondola, Shotover Jet Boat, Bungee at Kawarau Gorge Suspension Bridge, TSS Earnslaw Steamship Cruise on Lake Wakatipu, Peregrin Winery Eat: Atlas Beer Cafe, Flame Bar & Grill (make a reservation), Fergburger
Day 3: Milford Sound
Day 4: Mount Cook, Lake Pukaki, Tasman Glacier To Do: Hooker Valley Trek, Glacier Explorers Boat Tour Eat: Old Mountaineers' Cafe, Bar and Restaurant
Day 5: Lake Tekapo To Do: Church of the Good Shepherd Eat: Reflections Restaurant
Day 6: Fox Glacier To Do: Skydive Eat: Cook Saddle Cafe & Saloon
Day 7: Franz Joseph Glacier To Do: Helicopter Ride, Hike FJ Glacier Eat: The Landing
Day 8: Drive to Christchurch To Do: Arthur's Pass
Day 9: Christchurch To Do: Botanic Gardens, 185 Empty White Chairs, Gondola, Tram City Tour, Punting on the Avon Eat: Pedros House of Lamb
Day 10: Sumner Beach To Do: Beach! Eat: Beach Bar, Cave Rock