This seems like a nice tool for syntax-coloring code. I rarely feel the need for this feature myself, but it’s nice when it works, and this one works a lot better than BBedit’s, although it shares a less-extreme version of the coloring bug I found when I was testing TextWrangler.
I don’t have nice things to say about the download/install process and documentation, though; it looks like the Python community is trying to come up with something similar to CPAN, but it doesn’t seem to be ready for general release yet.