To save anyone else the trouble of digging them up (I got them from the referal field on the sign-up page), here they are (there's some fun ones in there):
CODE
Apple
Appleby
Arbuckle
Argonaut
Armstrong
ATI
Bach
Baysklef
Beach
Becquerel
Bell
Brightwillow
Bugaboo
Bunderfeld
Busch
Cartier
Cellardoor
Chang
Chen
Cook
Cotton
Crash
Crossing
Curie
Diaz
Digeridoo
Domino
EarlyCreator
Electric
Epoch
Escher
Extraordinaire
Fairchild
Fairlight
Fallingbridge
Fats
Feaver
Femto
Flora
Flower
Fortune
Fredericks
Gallant
Garcia
Gardner
Godel
Greenacre
Greenstein
Grimm
Groshomme
Guillaume
Hanks
Havok
Horn
Jade
Jones
Kato
Kim
Kobayashi
Kothari
LeFay
Leviathan
Linden
Lippmann
Liu
Longwell
Lorentz
Lumin
Lupis
Maker
Man
Mandala
Marker
Marten
Metalhead
Michelson
Midnight
Miller
Monde
Money
Murphy
Murray
Muse
Nash
Nomad
Omega
Orlowski
Pasteur
Perkins
Petunia
Pico
Powers
Protagonist
Rampal
Rand
RecycledName
Rhodes
Roark
Roentgen
Rogers
Romulus
Sandgrain
Schlegel
Schoonmaker
Skallagrimson
Skidoo
Sklar
Slate
Small
Smallville
Smith
Snow
Song
Spencer
Starseeker
Stephanopolis
Stone
Strutt
Sunchaser
Sunshine
Taylor
Teevee
Tester
TheBarbarian
TheGreat
Thompson
Thomson
Titan
Underhill
Underthorn
Valen
VonLenard
Weaver
Whammy
Woman
Wu
Yamamoto
York
Zebrastripe
Zeeman