'Nuther vote for the Buffalo Chip...you'll not lack for folks to meet and hang out with there...and, no DUI worries gettin back to yer site 'cause yer there. Concerts every night...the brass pole...stunt riders...food...booze...contests...ya could literally spend the entire week at just the Chip and have a damned good time. But, what is this talk 'bout not gettin any sleep there? I slept just fine...ok ok...maybe passin out ain't quite the same thing.
As for gettin there...any reason ya don't wanna ride? Ride out, and you'll come back with more dear memories of that than the rally itself...'least that's the way it is for me. And, I second the vote on KOA's...real convenient, and 'nuther place to meet up with folks...have met a good many riders, and shared many campfires with 'em at KOA's. My bud and I are doin a backroad ramble to the Grand Canyon in June...on the way, we'll just roll into a KOA when handy...if they have a kampin kabin available, we'll grab one...if not, we'll pitch a tent. Camp store and pool at every KOA I've hit...and, really nice shower houses.
As for goin it alone...go for it. Like someone else said...ya can't always count on others to make the ride when the time comes...so, if'n ya wait for that, ya may never go.