If you dont enchant, how do you make your weapon powerful?
Just get the perks for whatever weapon you are useing.
Also don't underestimate Alchemy,a fortify marksmen potion can get you massive extra damage for 60 seconds and this has the benefit of working against opponents that are imune to poison.
I prefer alchemy over enchanting any day because you don't have to keep filling up soul gems to recharge your weapon.
However you do have to keep collecting ingredients to make potions with,so it's a trade off I guess.
I just enjoy makeing potions more than enchanting also.