For a fun all mountain twin, check out the Dynastar Sixth Sense Distorter (87mm waist, 28 meter turn radius). I rented the 2010 Distorter last season and really enjoyed it ( I believe it may have been renamed the "Spin" for 2011). I'm an intermediate skier, about your height and weight. The Distorter in the 173cm length would make a great all mountain twin for you. The unique "Springblade" design that Dynastar uses in it's twin tips makes for a ski that is both light and lively while delivering a stable, forgiving ride. I notice your list has two K2 skis, the Silencer and Extreme. If you were to believe all the positive reviews of K2 skis that are on the internet, I would say just get yourself a set of K2's. I was ready to buy a pair myself until I demoed the Extreme. I did not like it at all. I actually felt guilty for not agreeing with all the hype. It comes down to personal preference, so the best thing to do it demo before you buy, if you can. Another ski I would recommend is the Atomic Panic. It is 87mm wide with an 18.9 mm radius, which makes it more eager to turn that the more easy-going Distorter. The Panic was overshadowed by it's bigger brother the 100 mm wide Atomic Access. The Panic did not fly off retailer's ski racks the way the Access did, but it has all the goodies that came on the Access. Features on the Panic include Tip Rocker, Adaptive Camber, and Step-Down Sidewall, which sounds like ski industry marketing hype until you take the Panic for a ride. For me, the Panic checks all the boxes as a fun all mountain twin. I picked up at pair for US $244.00 at REI. You should be able to find the Panic at a good discount.
For bindings, go with whatever is on sale. The ski industry has advanced to the point where there is no bad binding. They all do what they are designed to do. My current favourite is the Tyrolia LD-12. It's not on the cutting edge of binding design, but it has some features that I like. The diagonal release on the heel piece is cool, the binding is light, and they can be had a good sale price. Again it comes down to personal preference, and as an intermediate skier you have a lot to choose from.