Sal Cordova at Uncommon Descent offers an answer to a reader's question about the nature of the rift between Young Earth Creationists and Intelligent Design advocates. Along the way he offers a list of the IDers (and ID sympathizers) who favor an old age (on the order of billions of years) for the earth.
It's an interesting post and it sheds light on a perplexing dispute between two groups which should be allies against the common Darwinian opponent.