a wakeskate is normally smaller and has more rocker where as a kiteskate is larger and flatter for better upwind
check www.kitescoop.com those guys have their finger on the pulse when it comes to stuff like this
I usually got my fingers in my **** but thats for another time. I'm pretty sure some other dude posted a question similar to this already to day, have a look down a few threads and some answers were given.