[terrcin]

Since using the beta snow leopard drivers I've had a blue vertical bar overlayed on my usb adapter powered monitor (Dell 2209WA). I've attached to photo's of my screen. I have the adapter sold by macsales.com.

With the latest beta drivers, b6, I've had a second bar appear. This caused me to jump onto the forums as it's getting worse, not better. I can't see anyone else complaining about it either. :-( The problem happens at all resolutions.

I am uncomfortable in posting to the forums the debug information from your debug tool due to the level of information it contains. Email me directly if you want a scrubbed version of it.