There's an interesting debate beginning in NZ, focused around the development of winter climbing on The Remarkables, Queenstown.
http://alpineteam.co.nz/2013/mixed-climbing-dry-tooling-winter-alpinism-and...
I know quite a number of UKC-ers have climbed on The Remarks, or in NZ, and try to stay in touch with developments.
There's an email address if you want to contribute:
queenstownclimbing@gmail.com
Submissions close 30 September.