About a year ago a blog post dissecting a minor-but-critical bug on my site was pretty popular here. ( http://news.ycombinator.com/item?id=383108 ) I discovered another one today, which was so frustratingly infuriating (mostly at myself) that I had to write about it, if for no other reason than to keep pulling my hair out.
The beauty of IE is that once you've found a bug, there's nothing you can do about it. I gave up trying to bring the bug I stumbled across - http://crashie8.com/ - to Microsoft's attention after I kept hearing "oh, your HTML isn't valid."
grumbles about Netscape letting go of its mantle...