Just curious: has anybody here used Piccolo in mxj?

I've been working with Processing, but it gets to be quite a cpu hog, once things get a little busier - especially at higher resolutions. Piccolo looks like it might be more appropriate for what I'm doing, so I'm curious to know whether anybody has any experience with it. I've been trying to port my Processing-based interface over to Cocoa, which has been a steeeeeep learning curve, and I'm sure a port to Piccolo would be _much_ easier (remain in java, not obj-C).

cheers,

J.