Replying to One ski quiver for the east

As the title says, i need some do anything skis for the east coast that will hold up for 50+ days a season.
I am 5'6" 120 and ride about 60% park, 20% bumps and glades, 10% "powder" and 10% groomers.
I want something with a bit of a waist, probably 80 to 95 so that they will be stable for landings and float on whatever powder we happen to get.
165-170cm length would be best, my 158s are too short. Also, im not too interested in symmetrical or center mount. I like my skis right now at 2cm back from center.

I am interested in:
Rossignol s3 (2009 not 2010)
Rossignol s4
K2 Kung Fujas
Salomon Suspect
Volkl Bridge

i dont know much about moment or surface, but they do interest me so if anyone has some info, id like to hear it.

Thanks.