ok i can not help you with most of the stuff, sorry, but i can tell you this take it to a proshop, not gander or basspro ect. take it to a certified proshop or have a buddy who knows bout this stuff and they can help ya, but i do know that the carbon furry arrows are good arrows for the buy, and for a newbie 4" groupings dosnt sound too bad or i could be wrong dont know.
mike