Absolutely superb in terms of response, but remember to use it to make quick details.
2 dashes linked together, frihandstextning connected to straighten thick lines.
The problem is large and well known in the forums while Wacom pretends that it is raining.
You can use it as normal to slightly larger brushes and little expose but your computer (whether Mac or PC, both have) decided to mess you will not likely bring order to the problem.
Fix, Trixen and downgrades works for some, but for as many others it is running and you've bought yourself a pretty damn slim muspinne and a high-tech mouse pad that glows uncool ....: - /