Yes, we've had similar reports recently. We're still trying to determine precisely where the failure is occurring so we can fix it. When we think we've got it, we'll post an announcement on the messageboard.
In the interest of science, we've posted the Dungeon #97 and #98 web enhancements as .zip archives. It's just barely possible that this might clear up the problem you're having, so you might want to give them a try.