Okay, so there is something called "ThreadCakes", which is cake designs based on Threadless tee shirts.
In case you don't already know and love Threadless:
And here is Threadcakes:
So not only did this person make an AMAZING ThreadCake, they videotaped themselves creating it every single step of the way, then edited together a cool video showing it being done!!
HOLY HELL, RIGHT?!?!
I found this via the blog Cake Wrecks that a friend linked me to.