There are a number of excellent items available for the crucial belt, cloak, and head slots, but these slots are occupied almost exclusively by items which provide numerical bonus to characters' abilities. Enhancement Tattoos allow characters to permanently enhance themselves, allowing them to make use of more interesting items.
Pathfinder - Variant Rules
Pathfinder includes race-specific Favored Class Bonuses, but these bonuses vary wildly in quality and usefulness. Class-Specific Favored Class Bonuses provides interesting and useful options which seek to provide an interesting and unique option which works for any character of that class, but without being unnecessarily powerful.