NO, 6230 is a revision of 6220. check www.mobile-review.com it has a CIF cam opposed to the 6600 VGA cam. That's the main difference. Yes, the 6230 also triples up as an MP3 Player, and FM radio also.
One more thing about the 6230 is that it will have the tile based menu. Well... for the whole thing goto www.mobile-review.com/index-en.shtml and navigate it and you will find many new phones like 6230, 6820, 6830, and maybe even 6620.