You might not want to listen to who ever is giving you advice about arrows being junk. Carbon Express is made in Korea and they make some of the best on the market.

You need to be practicing with the arrows that you are going to be hunting with.
What arrows are you shooting now?
Easton makes good arrows and they do make 85 grian broadheads. Some great 85 grain broadheads are Slick trick, G5 montec, andMagnus stinger just to name a few.