Having read all three pages so far, there have been some good arguments both for & against MRA. I, along with others have noticed the increase in trailers & motorhomes/campers vs earlier years. That said, if you want to get into the really gnarly dirt trails, a lighter bike beats a heavy one. The downside is that the lighter bike is much less fun to ride getting there.
So. Enough of that... I vote for having the 10th at MRA which gives everyone a chance to come up with an alternate venue that has all/most of the amenities of the current one.
I ride a street bike, so having it 12 miles down a dirt road might be cause for me to pass on the adventure. The Kern area has both dirt & road rides to suit any appetite--take your choice.
Like Gary, I enjoy the area but go mostly to see old friends & have a good time with good riding both going & coming.
If it ain't fun, I don't do it!!!
Stuff - I need more Stuff....