As a pro, you know Windows very well and have control over it. But if you are up for a new challenge, then you'll want to take a risk and dig even deeper.
Real Windows tuning picks up where TweakUI leaves off.
This can give you more speed, but it can also be totally disastrous. To introduce all of X-Setup potential would be an impossible feat here. Try it and play around a little. Massive underwater action Aquanox features awesome graphics and excellent gameplay. Here's our attempt at an impartial preview.