ive put some work into most of em
here is max resists for my sets (note this doesnt include the resist potion)
fire=65 - firebane cloak w/ +15 fire resist, 2 zircon rings, keeshans, BoA 2hmace < no GFs but does require ally item
frost=30w/GF or 25(49 as dwarfw/GF or 44 ) - arctic buckler w/ +8 frosts resist (GFed! but the enchant isnt), +5 resist to any cape, 2 zircon rings
arcane=40(59 as BE) - keeshans, 2 zircon rings, +5 resist cape, blackened defias bonus set
shadow=29 or 34 is u can use wands(53 as spacegoat or undead or 48 as worgen) - +10 shadow resist cape, 2 zircon rings, nightbane staff(very very hard to obtain, you can use fishing pole but u lose 2 shadow resist) gravestone scepter
holy? =5 -wowarmory says +5 resist all effects holy so unless its wrong u get 5 holy resist
nature=31(50 as tauren/NE or 45 as worgen) -+15 nature resist to any cape, 2 zircon rings green carapace shield(GFed)
plz tell me if i missed anything but this is most of the resist gear
Edit- put defias set bonus in
plz let me know if i forgot anything else ill add it right away <3