HTML5 versus XHTML
InternetFrom Smashing Magazine, which sounds utterly painful, though potentially entertaining for onlookers. Was never a captain, but I was in two high school chess clubs!
I'll admit HTML5 lets you do some amazing stuff right now, but XHTML has XML namespaces, is stricter, cleaner, predictable, makes more sense… to me. Can't wait for XHTML5, if it ever comes.