Steve, I've pushed xserver-xorg-video-psb 0.15.0-0ubuntu1~804um4 to the ubuntu-mobile ppa, it fixes the midbrowser display glitch for me.
I'm not sure it's suitable for Ubuntu intrepid though as installing the psb driver's exa version might break all other drivers.
Steve, I've pushed xserver- xorg-video- psb 0.15.0- 0ubuntu1~ 804um4 to the ubuntu-mobile ppa, it fixes the midbrowser display glitch for me.
I'm not sure it's suitable for Ubuntu intrepid though as installing the psb driver's exa version might break all other drivers.