I think the smaller new-generation 4-strokes are RC4. My dad's 530 has an LC4. Both his and mine are 2008. And it sounds like Tim has the same RC4 as I do, which means that the RC4 started in 2007?
EDIT: Marco - me too, that's why I had to throw in the GD&T acronym as well...
Rising Sun Bio
2F "Brahma" + Lockright, tach, Warn 8274, FJ60 Power Steering,
no more Sanden OBA
1FZ-FE factory lockers +
Safari intercooled turbo, CDL switch, cup holder, Metric TLC leather, heated seats, JDM switches, PUMA OBA.
Warn M12000 waiting for a bumper.
Limited TRD 2UZ-FE SOLD