Creo Sketch problem

Hello guys

I'm having an issue with Creo Sketch

The brushes just don't feel right like say

in Sketchbook Pro or ArtRage

There seems to be a delay problem

with the brush strokes.

Is there a way to adjust that?

WACOM Bamboo Pen CTL 470 next generation

Win 7 64bit

ATi Radeon HD 6470M

6 Gbyte RAM