Replying to Help me please K++

ok iknow theres a billion threads on this. and people say use the search bar but it dosent help.

So im riding 177 afterbangs at the moments and im getting new skis. And im going to get the

going to get the Surface nine Lifes 2010 in 182. Im wondering if thats a big step up in size when 177 is the perfect size for me. Im like 6'0ish.