My fingers have suffered much during my time - so I like to blame them :-)
That should read - Once again, THESE (refering to the applications you mentioned) are not the desktop.
You state that no one is going to be happy using the above applications - well I don't use them so it does not bother me one bit. I could argue that there are like applications in the Linux world - GIMP instead of Photoshop.
I am not a user of either so I could not compare the two though I am told that GIMP has some database and scripting features not available in Photoshop.
As for drivers for Firewire (see http://www.linux1394.org/ for compatibility), DVDs, digital cameras, Linux has them - true a smaller set than Windows and perhaps not your particular drivers.
So the minimum bar is there, and still fail to see where Windows is any better. If fact, in my other post, I list a couple reasons why I find Linux to be better suited to my needs.