you guys hit on alot of things i never even knew about. i always went into a sporting goods store and they asked if i wanted lite medium or heavey. never new of f.o.c and have no idea how to figuire it out and what it means when shooting, well i didnt really even know of shaft stiffness. and yets its so confusing. I quess that is why my bow doenst shoot the best, lol.