I'm fond of Britannica Online (example). We've subscribed for eons.
Sometime in the past year, some misguided executive decided that they needed a site refresh.
Now it's heavy on Flash and fancy layouts. Problem is, they don't seem to render properly anywhere. I have the most luck with Firefox, but IE 7 has serious problems.
iPhone? Surely you jest.
At the moment the main page shows me a dark navy blue square with Firefox 3+. Something Flashy, no doubt.
I doubt they were in great shape before this happened. Maybe this was some kind of suicidal move, like torching a warehouse to get the insurance money.