Sorry about taking so long to get back to you. As stated, don't get over here much.
Have been to Pahrumph and ridden both tracks. Like the east track better than the west. West is a good Motard track. Have ridding Streets at Willow several times and will be going back to Button Willow here next month. Haven't run Fontana either, maybe some day. Pahrumph will be closing its doors to motorcycles next yr. There are 2 or 3 bike days scheduled and that is it. Don't know the full story there but, whatever. Just gives business to others.
Just did Miller Motorsports. Me and some people from Ridgecrest headed up there. All I can say is WOW, what a track. Drive wasn't bad either.
Join us over at fireblades.org or socalsportbikes.com You can get a lot more of your questions answered over there.