Flux TT30 (which I just sold) is one of my favorite bindings I've owned for true all mountain use. More than Cartels, and way more than Forces. I moved away from Flux this year b/c of their lack of canted footbeds, but Union doesn't do that either, so that's not really an issue for you.
15 NS Ripsaw . 14 NS Proto HD . 14 NS Cobra . 13 Gnu Space Case EC2 . 2013 Salomon Pow Snake
14 Now Drive . 13 Now IPO
14 Flow Hylite