Looks like there is a real gold mine of information there for rookies like me ..
I hadn't paid much attention to that area before, because I wrongly assumed they couldn't be giving away anything useful for free ..
So, looks like I will be busy for a while, doing what I should have done in the first place..
.... and I won't be needing you guys any more! ( just kidding )
I mostly lurk, and pick up lots of good tips from the regulars here..
I need to clarify my answer above. I just switched from Vegas 4 to Vegas Pro 8 and it behaves differently. In Vegas 4 if you highlighted only the audio in an event and pressed delete only the audio was deleted. In Vegas Pro 8 both the video and audio are deleted even if you only highlight the audio.
You can correct this by going into Options / Preferences / Editing.
Uncheck "Cut, copy, and delete grouped events".
Then it will behave like Vegas 4 and you can just highlight and delete the audio events without having to ungroup it first.