Assault Jerkin > Barone Corazza imo. You could do quite a bit of gear upgrading for the price of that body armor anyway, but... that's all just my opinion. These days, opinions and a dollar can get you a drink at the soda machine. :\
Anyway, check out this post, Jeru.
http://ffxi.allakhazam.com/forum.html?forum=53&mid=111561276394682380