I am 6 foot and 175lbs aand last year I was in the same boat. I ski bridger bowl mostly and went with the 183 for the tight lines and frequent billy-goating. I love the ski. Everything that was promised and more. Fast, light, stable, responsive, and playful. After a few days of getting used to the extra gear I had now found, I was wishing I had the 193. Don't get me wrong, the 183 will do anything and excel at it, but if you are an aggressive skier with a race or big mountain background, I would suggest the 193. I have skied volkl my entire life and trust their product ultimately and the bottom line with the shiro... Best ski volkl has come up with yet!