I am currently looking for the Power Weight, Power Lens, and Power Band. Here's what I've got for trade:
Gems (Ground, Steel, Grass, Poison, Water, Electric, Rock x2, Dark)
Type powering items (Hard Stone, Silk Scarf, Poison Barb, Soft Sand, Dragon Fang, Spell Tag, Sharp Beak, Never-Melt Ice, Miracle Seed, Charcoal)
Rare Candy x4
I also have
An event Arceus from the "Befriend a Pokemon" Global Link Giveaway (Lvl. 100)
An event Mewtwo from the B&W one year anniversary (Lvl. 70)
I can also give you Pokerus.
PM me if you are interested.