Rode 53 miles in my SheBeest Ultra D shorts today:
http://www.teamestrogen.com/products.asp?pID=25749

I know there are some gals who didn't care for these shorts for one reason or another, but I gotta say I just LOVE mine. That chamois is so good for long distance, and the shorts fit so nicely for me, the material is not too thin or wimpy, and no nasty tourniquet too-tight legbands. My butt feels great.

Love my Ultra D's.