You can choose either the GNOME or KDE window managers
Actual Window Manager
runs on all Windows platforms from Windows 2000 onwards and costs 49.
KWin, the window manager
of KDE, has seen numerous improvements, and a major one is coming in the form of scriptability.
With Actual Window Manager
you can create a rule for a given window, activating the mouse auto-lock for that window.
First of all, at the very core there are many updates to KDE's compositing window manager
, KWin, that cleanup the code and most importantly of all, there is now support for using OpenGL ES 2.