I posted a thread on my BMWCCA chapter's forum asking for mobile detailing recommendations in my area. Dan PMed me saying that he isn't mobile or in Baltimore, but if I can't find anyone I like or trust, to give him a call. His site is pretty impressive and he uses a lot of the same products as Phil.
http://www.dndautodetailing.net/index.htm
He's in Woodbridge and Vienna, Virginia.
Have any of the DC/NoVa guys been to him before?