"Know it well, for it is on this day that we fixed the bug that prevented one from attaching files with apostrophes in the filename. We are living in the best of all possible worlds." Oddpost engineers channel Dave Eggers in one of the most entertaining customer support blogs ever. Oh wait, it's the only one (that I've seen). Are there others?
Behold Oddpost! Like they say, it really is "indubitably the most astounding web-based email application on earth." I was skeptical, but their drag-and-drop interface is so clean and functional that comparing it to Microsoft Hotmail or Yahoo! Mail is like comparing a Frank Lloyd Wright house to a birdcage made of Tinkertoys. All DHTML, so it requires IE 5+ on Windows. Netscape, Opera, Mac, and Linux users are out of luck. (Welcome to the effects of market share.)