No sound on cold start after upgrading to Lion

I am running the 27" iMac with dual hard drives and have recently upgraded to Lion. Two things are happening.
1. On cold start / boot up, my system has no sound. And by no sound I mean - no sound. When I go to the Sound option in System Preferences, everything is greyed out and I can not adjust or access any of the controls. The only solution has been to immediately restart my computer. After restart, everything is fine.
2. On cold start / boot up, sometimes I receive a pop up telling me that TestGen is not installed properly and to please re-start. Of course, since I have no sound I'm automatically doing that. Could be that these to things are related somehow? I don't know.
Lastly, and I'm not adding this to the list because there is already a thread about it . . but I will mention it . . I am getting error messages trying to play certain videos "This video requires Quicktime which is not supported by this version of iTunes." Oh yeah? Since when? The workaround is that you apparently have to delete the video from your Library -- DO NOT DELETE FILE FROM HARD DRIVE -- and re-add to your Library. I think this has to be the dumbest bug out there right now.
But what I'd really like is to not have to re-start my computer every d$!@n time just to be able to have sound.
Tired of the Lion errors. Apparently we're all Beta testers <-- lame humor.

I have one of the Mid 2010 27-inch iMac's running 10.7.3 without any audio problems like you describe. You mentioned that you have two hard drives. Do you have the factory installed hard drive + SSD, or did you install it yourself?
You mentioned TestGen. What version do you have installed? It appears that the latest version of the TestGen browser plug-in is 7.5.1.
Have you tried resetting PRAM?
Have you tried booting in Safe Mode to see whether booting without all of the extra kernel extensions makes the issue go away? If it does then I would look consider reinstalling Lion and evaluating the various utilities your've installed which may be affecting your audio.
http://support.apple.com/kb/HT1455

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