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RpgOutfitter.com officially gets my vote as coolest non-AddOn Warcraft thing. It’s official now that I’ve seen what it does with guild rosters.
Just character sheets were cool. Being ability to link to your charcter in a web page is very convenient. But the guild rosters go -way- beyond convenient and well into the uber-freaky-fantastic area.
Character Sheet for Obliette, my Night Elf Druid
Guild Roster for West Kingdom Guild

Of course, now there’s http://armory.worldofwarcraft.com which is Blizzard’s annihilation of the Roster sites…
Neat, I like it… but there’s a whole ‘privacy’ hooplah going on in the forums about it.
Valdesta
WoWgrrl player blog