If you are coming up, note the following:

-There are no fires allowed anywhere, including the boulder basin & group campsites.
-Please carpool, parking is limited, so if you show up and there is nowhere reasonable for you to park, you must leave. (instead of parking somewhere unreasonable).
-Bring cash to park, lots of people showing up without cash. Even if you don't camp overnight, you still must pay for day parking.
-Don't climb boulders in/ around occupied camp sites (some say ask, personally I just go somewhere else).
-Spread out a bit.