Thanks; great input! A couple thoughts/input for those looking at this thread...
We're not doing the balloon fiesta this trip, but you are right, traffic is a mess getting into the site in the morning (everybody wants to watch the 'Dawn Patrol' light up and launch, see picture above) and hotels book up early. When we did it six years ago we booked well in advance, and managed to snare some 'club' tickets (very very very hard to get) that let you enter a separate parking lot using a different route in, and private bathrooms (real, not portapotties: selling point for Mrs OldBlue). Well worth the price (of course, other's mileage may vary).
Yeah, I've been tracking the moon issue using Photopills; I'm hoping that shots in MV will work as the moon is close to full, but comes up an hour after sunset in the East, and the Galactic Center will be on the Western Horizon. We'll see how that works, but I'm hoping the moonlight will light up the cliffs a bit without washing out the stars too much... at least as long as I'm shooting away from it. (Disclaimer; while I've been doing photography for 5-6 decades, I've never lived somewhere where astro-photography was an option so this will be a first for me.)
Giving you a glimpse of my planning insanity, here is one page of the 31-tab Excel spreadsheet I'm using to plan various aspects of this trip. Every trip the spreadsheet gets more detailed. This is a screenshot of the SunAndMoon tab.
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