Here's my warrior.
Razien @ Quel'Thalas - Community - World of Warcraft
Best-in-slot gear for each spec.
Tier 3: 8/8 warrior, 3/8 paladin.
Sulfuras + Thunderfury.
Grandfathered items:
Helm enchants.
Agent of Nozdormu
Hammer of Bestial Fury (World dragons)
Zul'gurub weaponry, armor, trinkets, necklace, enchants, quests still in quest log.
Onyxia trinkets, weaponry.
UBRS Blackblade of Shahram (x2), Felstriker.
Whirlwind Axe (old warrior quest reward)
Competitor's tabard + Pet
Brawler's Harness
Dungeon tier 1
..and more.
A few of my other twinks, who aren't entirely best in slot anymore/yet but have a bunch of random gf'd items scattered over them (quest items/rewards, dungeon rewards, etc):
Shaman Enhancement/Restoration - Razian @ Quel'Thalas - Community - World of Warcraft 5/9 Tier 3.
Rogue - Razienftw @ Quel'Thalas - Community - World of Warcraft 7/9 Tier 3.
Warlock Affliction/Destruction - Serul @ Quel'Thalas - Community - World of Warcraft 8/9 Tier 3.
Hunter Marksmanship - Razii @ Quel'Thalas - Community - World of Warcraft
Priest Disc - Razienizumi @ Quel'Thalas - Community - World of Warcraft
Druid Feral - Razunyan @ Azjol-Nerub - Community - World of Warcraft
Druid Restoration - Raziun @ Ravencrest - Community - World of Warcraft (old Scholomance epic robes)
Monk - Neizarftw @ Quel'Thalas - Community - World of Warcraft
My brothers also twink as lv60, i don't know exactly what items they have but here is a very basic gist of it:
Zera:
ZG Tiger mount.
Competitor's Tabard.
Agent of Nozdormu.
Rogue - Zerayne @ Quel'Thalas - Community - World of Warcraft - Best in slot gearsets, 8/9 tier 3, ZG enchants, ZG gear, Rentaki's charm, Thunderfury ...And more
Hunter - Tushada @ Quel'Thalas - Community - World of Warcraft - Best in slot gearsets, ZG enchants, Rokh'delar + stave + bag, ZG gear, Dungeon tier 1 ...And more
Shaman -Zulshar @ Quel'Thalas - Community - World of Warcraft - ZG Enchants, ZG gear, Sulfuras ...And more
Enrage
Competitor's Tabard.
Agent of Nozdorumu.
Hunter - Énráge @ Quel'Thalas - Community - World of Warcraft Best in slot gearset, Tier 3 gear ...And more
Warrior - Enrágé @ Quel'Thalas - Community - World of Warcraft Tier 3 gear, Thunderfury, Sulfuras, ZG enchants, ZG gear, ZG Weapons, Dungeon tier 1 ...And more
Paladin - Enrágé @ Sylvanas - Community - World of Warcraft ZG gear, ZG weapons, ZG enchants ...And more