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For not having ridden either ski, I'm leaning towards the Suspects already, just from hearing Freeskier's and Matt Harvey's rave reviews.
As for bindings, to each his own - I'm a big Look/Rossi guy, but other people will tell you that they hate Look and Rossi bindings and be all like "Salomon!" or "4frnt!" Either way, most people have a preference.
The ideal Look/Rossi binding to buy, that's still in production, would be something like the PX12, which, you being your size, could crank up to like 8 or 9 and be fine. I'm 6ft and 185 and I ride them at 7 and I'm fine...
For Salomon (and I'm not sure on this), the STH series is tops. I'll let someone else elaborate.
As for 4frnt, I hear they're really heavy bindings, the Deadbolts. I'd stay away from them if I were you...
Hopefully this helps. And you definitely need a bigger ski than 170 dude, you'll break those things on your first run. I'm near your size and I skied on 171 Solly 1080s last year and, although not usually super soft, they were like noodles because I could manhandle them all over. You need something that's at least high 170s, even 180. I bought 180 SPKs recently and I expect em to be perfect.