A sports camera we have been waiting for...well, you can keep the 4K, but 720p at high frame rate sounds great!  http://www.gopro.com

OK, this is not exactly ski gear, but who doesn't like watching movies when on holiday?  The infamous 'Duvet days', or, "I can't be bothered to go out in the friggin' cold".  We all know TV's in chalets generally suck, if they exist at all.  So, here is a travel projector that does hi-def goodness:

http://www.slashgear.com/velocity-micro-shine-pico-projector-does-720p-on-the-cheap-13209111/

Stewart Pedler take note!  Combine this with Salty's subwoofer system, and we are sorted!