In our case aero on or off didn't change anything.
But I found a solution which gives my VDI warp 10 
Speed up IE: Internet Options > Advanced > Accelerated graphics --> Use software rendering
Speed up Chrome: about:flags > 1. Disable GPU compositing, 2. Disable Accelerated 2D Canvas, 3. Disable GPU VSync
Feedback is welcome.
Best regards
Sascha