You can see penguins in the Antarctic centre in Christchurch, another good place to visit. If you go to Milford Sound my advise would be to take a tour there from Queenstown and not drive yourself. It's a long fairly difficult drive and the last bit is definitely not for the faint hearted! That way you can relax and enjoy the whole experience, plus our driver was very knowledgeable and gave us lots of info on the way. Other places we loved were the Steam Punk museum at Oamaru, the Giants House at Akaroa ( both weird and wonderful!) Lake Tekapo, stunningly beautiful, as is nearly all of NZ.Keep it coming i'm not at overload point yet oh and Jen would still be going unless you buy her a ticket for a Penguin Zoo here