Glad the vblank trick worked for you.

To answer your questions:

- CLUTTER_VBLANK=none switches off the graphics-chip vsync function for
the launcher, which makes it go quicker at the cost of some tearing on
animations (not noticeable on the launcher).

- You cannot use desktop effects with UNR on Intel or Ati chipsets. This
is because the drivers for those graphics cards cannot handle two open
gl windows composed together. Therefore Visual Effects needs to be set
to none.

- To make sure you always set CLUTTER_VBLANK=none, edit your netbook-
launcher autostart entry and change the "Command" textentry to
"CLUTTER_VBLANK=none netbook-launcher" (without the quotes).

I hope that helps!

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netbook-launcher extremely slow
https://bugs.launchpad.net/bugs/317026
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