I just bought a pair of the IPO, rode them for 2 days and agree with most of Binary Pie's comments.
My difference with his evaluation are as follows:
1) The Toe ramp is unnecessary (kingpin system provides leverage that toe ramp would provide), would be redundant and add weight.
2) The plastic used for the straps/ladders are made of a softer plastic that can get chewed up if the toe cap (and ankle strap) is not setup correctly.
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Hope this help - Nito
I'll respond to those two points.
1) I meant I wish I could extend it's length not that it needs to be a ramp.
2) In this thread or another. I can't remember but I actually now have wear on mine as well.
I still love these bindings! New colors for 2014 look awesome!