please no more of these damn scout threads, there is 3 already that THOROUGHLY go over everything that is scouts.

http://warseer.com/forums/showthread.php?t=177782

http://warseer.com/forums/showthread.php?t=174948

http://warseer.com/forums/showthread.php?t=175597

also short answer is NO, they are not viable in any competative setting, and are "usable" if you just play for fluff/fun.