Home Page Replica is/was one of the earliest collections of material about Captain Beefheart and the Magic Band on the web. It's updated infrequently.
Recently:
(2012/09/21) I stumbled onto the CD of the live performance of the Magic Band in Oxford, UK, in 2005. Why didn't someone tell me about this before so I could have spent 7 more years of my life able to listen to this? "My Human Gets Me Blues" on this album is possibly my favorite version of my favorite song ever.
Less recently:
Older news. Not necessarily complete.