We'll, you're off to a good start. Good luck!

(P.S. - second price is also an A8 or 500€ (or Dollar?))

200 lines of code seem to be tiny for such a project. Will you be using external information for what the nodes do? cause otherwise I can imagine it'll get squeezed in there...

~"I never let school interfere with my education"~
-Mark Twain