Gunnerkrigg Court

I just discovered this really cool webcomic called Gunnerkrigg Court.  It's kind of hard to describe, but it's got elements of Harry Potter but with more steampunk and other science-technology stuff, and a main character who embodies the GURPS Advantage of Unfazeable.  I love Science Fantasy crossover settings, and this is very much in that vein.  The first chapter involves a girl getting rid of a shadow-spirit being (or whatever, I'm not yet sure what it is) with the aid of a robot built out of spare parts.  That's my sort of webcomic.