1. I'm on a mouse, scroll down/up moves me all the way down to lowest level or all the way up to the top. DeathAdder with Synapse not affecting scroll behaviour.
2. Heh, I hoped you'd figured out something. I just uploaded an ungodly simple game in 3D myself that doesn't hit even 1% GPU usage when run normally, but also hits 40%+ instantly in web. Hmu if you find a way for browser to not warm up the room, I guess!