Jeri and Chris of the 555 contest have announced the results:

Artistic
Randy Elwin — Le Domineux
Sergio Gonzalez — 555 Alien Sculpture
Jim Frize — 555 Synth Sequencer

Complex
Alan Yates — 555 Adding Machine
Alexis Kotlowy — 555 Pong-like DodgeBall Game
Jim Chen — 555 WhackAMole

Minimalist
Tom Jenner — 555 Servo Controller
Eric Schlaepfer — 555 AM Radio
Michael Noland — 555 Persistance of Vision

Utility
Michael Davis — Battery Charge Controller for Wind And Solar
Jonathan M Straub — PCB Etching Controller
Tom Jenner — 555 Servo Controller

Under 18
Valentin B — 555 Inductivity Meter