Nope, they're still there.
Check your Dreamweaver preferences (Edit menu on Windows, Dreamweaver menu on a Mac).
In the General category, make sure Enable Related Files is selected.
It's checked. But still no files. And oddly enough, it lists my Hardrive where the files would normally be listed.
Let's see the code on the page, please.
Is Adobe just doing that oh-so-entertaining thing they do
Have you double checked the root folder specified for this site in your Site Manager?
all my Includes and attached files (such as style.css) were listed
The above doesn't explain the hard drive though unless the site has not been defined properly.
Right - the code on the page would reveal (or at least suggest) all of those things....