The Sick Days 95 is a partial twin with raised up tail that is not quite full height but it would be a good all mountain ski for what you describe. I'm taller than you but similar weight and ski in the East as well. I run the Armada El Rey 185cm/89 mm underfoot for harder snow and the Head Venturi 95 in 181cm for tight bumps/glades and 191cm version when I REALLY want to charge at 50mph plus all over the mountain. The Venturi 95 is amazing in all conditions and were even great when I took the 191cm to Whistler last year.
Asogear.com has the Line Sick Days 95 in 179cm with Look SPX 12 Bindings for $329.99, Head Venturi 95 in 191cm for $249.99 and Level 9 has the El Rey in 178cm for $249.99.
The Enforcer 93 or 100 are fantastic skis as well but aren't twin tips as mentioned. More charger and less playful than most of the others listed so maybe a touch better on groomers but not as fun in the glades or bumps as the skis above. Harder to find deals on Enforcers as they are so well reviewed and popular.
You can't lose with any of these skis so whatever you can get a deal on!