Ok, the navigation is definitely fixed now. I've re-coded the whole thing to ensure it'll work for the next 1000 years. (or until Ben breaks it again, whichever comes first) I apologize for any inconvenience caused, usually we only break features nobody uses. :P
We wanted to keep navigation smooth for our readers so you'll no longer run into Misc. Strips (guest strips, fillers, etc.) while reading through issues. (you can still reach them through the Archive though) And we didn't test this until today's filler was posted, so... blame Ben.