I'd say go for a 2004 and newer. In 2004 they got the Keihin FCR and the new ignition which makes a big difference. The 2005 got the new exhaust which has a much better fit and looks better, also new swing arm and kick start lever. Smaller, better looking speedo as well.
Originally Posted by Murakami
What I'm trying to say is the 2004s are great bikes but the 05 and onwards are a little bit better.
Current bike(s): FE570 (enduro and sumo) -09, KTM 690SM Prestige-07, Kwack ZZR600-93, KTM 250EXC-R -05
Previous: GSX750ES-83, TL1000S-97, FE650e-01, FS650e-03, FS650e-04, R6-99, FS650e-05, XT660R-04, FE450s-04, FS650e-06