don't cheap out and get the 960p. google the difference, it's not that hard. basically, the 1080p has these things over the 960p:
-720p 60fps filming
-1080p 30fps filming
-bacpac slot on the back to accommodate for attachments such as the LCD screen and the extra battery that is coming out.
the extra money is worth it. 720p 60fps is so nice to get good quality shots and still get that nice nice slo-mo. plus, i just picked myself up a LCD screen and it's super easy to use and really good to be able to review your shots right after you take them, as opposed to looking at them on the computer at the end of the day. it's really good to see if you got the framing nicely or the grab so that the rider can or cannot try the trick again. things like that.
The joy I get from skiing, that's worth dying for - RIP CR Johnson