RA909 has now a little shop opened on his website Electrik Suicide. Just click Suicide Shop in the menu. The prints size are huge and they use a high quality digital print system. So if you have some extra money, need a shirt or simply wanna support a cool artist, you know what to do.
His website also has a cool blog and some artworks, check his Deviant ART page to see more art. you might want to bookmark all that. :D