Not a fan of the motion of the new beam laser, and the impact (lolpun) of the Force Shell may require balancing to not be totally annoying. Big fan of everything else.
I'd guess it would have to have a slow fire rate and/or long 'charging' time. If it was instant-fire, rapid-fire it'd be incredibly annoying (for everyone bar one Cmdr!
If you really wanted carnage - add a race mode to Arena, and give everyone a Force Shell. Now that'd be Kinetic-geddon!