The problem is that the URL contains "cpath" instead of "cPath". Since PHP is case sesnsitive when dealing with GET variables, it basically ignores that part and sends you to the index page. Hope this clears things up. :)
Savant and Sorceror does indeed have an eye-catching cover. The cover artist for it was actually Hyung Tae Kim though, not UDON. One of my favorite artists. :)
We do indeed have message boards. :) Just go to http://www.drivethrurpg.com, and at the top and toward the right there will be a link to Forums.
I'm glad to hear that people are happy with this change as I'd hoped everyone would be. I've been putting a lot of work into the technical end of it...