I think I just fell in love with The Winger. I'm not sold on the Atomizer, though. I have to figure that a Scout relying on his bat for actual combat doesn't need an inconvenience like it swinging more slowly (at the rate of every other melee) and doing less damage (see also: Fan O'War).
As for the Soda Popper...well, I can see Valve deciding to nerf it in the near future. Conceivably, there will be Scouts running around in circles in spawn just to build up Hype. Nevertheless, a cool update, and I wonder if that mask that looks like the Flash is going to be a hat in the future.