I'm looking for a snowboard jacket, so I...
I'm looking for a snowboard jacket, so I initially wanted the guaranteed warmth of down, etc etc. but with the gore-tex protection and guaranteed waterproofing and breathability, is it necessary to have the added insulation, or could a shell of this caliber do the trick and keep me toasty?
The shell will safe guard you from the elements for sure. If you don't want to layer at all, all you need with this jacket is a good quality base layer. You can get a the Gore-Tex and down with this jacket http://www.dogfunk.com/burton-ak-2l-flare-down-jacket-womens-09-10-bur2777