Rogue, right?<br/><br/>You get: +1 Base Attack, +1 Reflex, (8+Con) Hitpoints, (8+Int Mod+1 for fav.class) skill points, a Rogue Talent, and Uncanny Dodge. Oh, and +1 to any single ability score<br/><br/>I'm not sure where you want to go with Kat as far as a setup though, so the choices are yours.