What I write isn't necessarily what you see.
Testing can show the presence of errors, but not their absence.
—
E. Dijkstra
Stuart points out that some essays (like WWW2006) and some features (like the “Wheat/Gray/B&W/Green” style selections) don't work on IE.
A Google search turns up the likely culprit for the more serious problem. I'll look into fixing it when I have a chance, until then, use a better browser.