If you hate useless page loads as much as I do, or if you're a GWO power user, I think you will like this userscript automation.
The userscript is very simple, in the image below the checkbox circled is automatically checked (if it wasn't already because your faster than code), and then the create button (circled below) is pressed.
It works for both A/B test setup process and the MVT test setup process.
To install this script:
Original posted on Erik Vold's Blog: Auto Skip the Useless Steps of Google Website Optimizer