This IS the Avid L2: [Avid-L2] Symphony 6 Color Shift from Pause to Play

I'm seeing a color saturation shift when clips change from Pause to Play in the Composer Window of a dual monitor setup (Mac Lion 10.7.4). But… move the Composer Window to the left (Bin) monitor, there is no color shift. Or, use System Preferences to relocate the Apple Menu Bar to the right (Composer/Timeline) monitor, and there is no shift.

I experienced this problem with Symphony 6.0.1.1, but thought it might be related to running it under the then unqualified Lion 10.7.4. Now that I've installed 6.0.3, I still get the color shift.

On the same computer, MC 5.5.3 is installed on a separate boot drive with OS 10.6.8 and does not experience any such problem.

Did not see this listed as one of the 6.x bugs, but there was a lengthy Avid Forum discussion from 2011 that identified the shift as occurring when the 2nd monitor goes into overlay mode at Play. Did not learn about any definitive fix, though.

Is anyone else experiencing this now with the latest software versions?

To eliminate one idea: installation notes say that the Nvidia driver should be updated to a specific version. But that appears only to apply to Windows, not Mac installs. Is that correct?

Other troubleshooting details are:
- No other software installed on this drive except for Lion and the Avid software.
- No I/O hardware installed yet.
- The left Bin monitor is a Dell SE198WFP. The right Composer monitor is a Dell 2408WFP. Lion set the Color Profile for each to its own model-named profile, which look good.
- Mac 3.0Ghz Harpertown Tower, Nvidia GeForce 8800GT 512MB (qualified according to Avid's matrix)
- 14GB RAM
- 2 bootable drives: 10.6.8 and MC 5.5.3 / 10.7.4 and Symphony 6.0.3

Thanks for any input or advice!
Craig Mikhitarian