I've seen a few links as to the base and upgraded damage of weapons (or protection of armor), but I'm wondering if there is a calculator or similar that can take into consideration your perks, enchantments, potions, skills, etc.

Something along the lines of these for ME3:

http://kalence.drupalgardens.com/me3-builder#1!!!!

http://narida.pytalhost.com/me3/classes/#Adept/Human/BAAAA//////http://narida.pytalhost.com/me3/classes/#Adept/Human/BAAAA//////

This would be extremely useful when considering how to choose your perks or enchantments!!!

The mechanics are complex enough to warrant anything like that.