Replying to Ski Sizing HELP!

OK, so, I am looking into buying new skis for next year. I don't plan on buying them yet, but have some options in mind.
1. ON3P Filthy Rich's/Jeffrey
2. K2 Domain
3. Line Chronic

My only dilemma is, I'm not sure what size to get with the ON3Ps. Because they are rockered, I'm not sure what size to go with. I'm 5'11, 175lbs and ski jumps and rails 80% of the time, and groomers 20%. Right now I have a pair of 09/10 Masterminds 167cm, but I feel like they are too short, as much as I love them I want to move onto a stiffer ski. I know there are like a million threads on this but I wanted more personal feedback.

SPARKNOTES: Want new skis, not sure what size because of the rockering (?).

+k for help!