First of all, sorry if old. Probably there are tons of similar contents videos on YouTube, but this is how I did (spent the whole last two days working on it).

First things first, the result: a 444 damage bow with two enchantments: [img]http://img440.imageshack.us/img440/3063/62016973.jpg[/img].

Tutorial:


(Skills first perk always at 5/5):


Enchantment at 100, perk tree's "middle section" all the way up.

Alchemy at 100, perks unti "Benefactor" (reminding, first perk always 5/5).

Smithing at 100, perks until Daedric.

Under the effect of a potion called "Enchanter's Elixir", enchant, at the Arcane Table, a complete set with "Fortify Alchemy" (necklace, ring, hat and gloves).

Wearing this set, brew a few "Fortify Enchanting" potions at the Alchemy Table (ingredients: Blue Butterfly Wing, Hagraven Claw, Snowberries and Spriggan Sap. Two ingredients will suffice, the potion WON'T be stronger with a third one, so don't waste).

This potion should be stronger than the aforementioned "Enchanter's Elixir" (here it is 32% against 25%, respectively).

Dink the newly-made "Fortify Enchantment" potion and, under its effect (if you are quick you will be able to enchant two pieces; if not, one. Pay attention to the right lower corner of your screen to check if the effect is still on and, if it's not, leave the Arcane Table and drink another potion), enchant ANOTHER Alchemy set -- that this time will be considerably stronger than the first (necklace,ring, hat and gloves).

Wear the new set and go back to the Alchemy Table.

Brew new "Fortify Enchanting" AND "Fortify Smithing" potions (ingredients: Blisterworth, Glowing Mushroom, Sabre Cat Tooth, Spriggan Sap -- once more, two ingredients will suffice).

Go back to the Arcane Table, drink the NEW "Fortify Enchanting" potion and, always under its effects, this time make a complete "Fortify Smithing" set: necklace, ring, clothes and gloves.

With an "ebony ingot", go to a grindstone.

Wear the complete smithing set and drink the "Fortify Smithing" potion you made (here it reached 127%).

Upgrade the (in this case) daedric bow. Of course, do that to your weapon of choice, with the appropriate ingot.



You can then enchant things like necklace and ring with the "Fortify Archery" enchantment (always drinking the "Fortify Enchanting" potions you made yourself to maximize the effects).


Remember that with the last Enchantment perk you can aply TWO enchantmentrs to each piece and and make godly-like armors also.

The Nightingale Armor can be upgraded using Void Salts.

Well, it is very laborious, but well worth the efforts IMHO...

Hope you like it...


Edit: typos.