Any DVD/other guides to D300 worthwhile?

A happy D200 owner, I expect to be an even happier D300 owner. I ordered mine yesterday.

Now, while I'm waiting, I thought I might order a guide or two.

Have any of you tried any of the DVD guides to the D300. If so, which ones, if any, did you find worthwhile?

Also, were there any books or on-line guies you'd recommend?

Thanks!