I borrowed a good chunk of Krushpak' set up, but for my fifth spot I use my protadin to suck damage and also provide some slight healing. Let me post my version below:

I use a 2 Step hooked to my "Z" key which on press does this:
FTL Assist
2 > all
; > all

My "Z" key on release does this
FTL Assist
1 > All
3 > All

My 1 & 2 Keys does IWT a well as activates my abilities in the 1 or 2 hot key position.



Paladin action bar set up as:
1 = Avenger's Shield
2 = Macro with:
/castsequence reset=target Crusader Strike, Crusader Strike, Holy Wrath, Sacred Shield, Word of Glory
/cast Consecration
3 = judgement
5 = My CC Macro for arena: /cast [@arena5] Hammer of Justice
6 = /castsequence reset=5 Avenging Wrath, Ardent Defender, Devotion Aura, Divine Protection, Guardian of Ancient Kings
7 = /cast Hand of Freedom
; = /castsequence reset=target Holy Prism, Rebuke, Hammer of Justice, Arcane Torrent(Racial), Rebuke, Blinding Light
/cast Hammer of Wrath

My Shaman set up is:
1 = Unleash Elements
2 = /castsequence reset=target/5 Flame Shock, Earth Shock, Earth Shock, Earth Shock, Earth Shock
/cast Lava Lash
3 = Stormstrike
4 = #showtooltip Earth Elemental Totem
/cast Earth Elemental Totem
/cast [@arena1, exists] pulverize; pulverize
/cast reinforce
/cast empower
5 = /cast ancestral swiftness
/cast [@arena2] hex; hex
6 = /cast Berserking(Racial)
/castsequence reset=2 stormblast, earth shock, lava lash
/cast solar beam
/cancelaura hand of protection
7 = #showtooltip Call of the Elements
/castsequence reset=5 windwalk totem, call of the elements, earthbind totem
8 = My healing rain + broacast next click
9 = HHealing Tide Totem ... I need to set this up as round robin
0 = ghostwolf
- = Mechano Chopper for IWT in BGs
= = Flying mount
; = /castsequence reset=5 Searing Totem, Healing Stream Totem, Grounding Totem, Healing Stream Totem
/cast [nodead,combat,harm]Feral Spirit





So far my paladin has acquired:496 Shoulder, Back, Bracers, gloves, boots
Shaman #1: 496 Belt, Pants, Feet, 2 496 Rings
Shaman #2: 496 Shoulder, Chest, Bracer, Boots
Shaman #3: 496 Helm, Shoulder, Back, Chest, Bracer, Gloves, Legs, Ring
Shaman #4: 496 Back, Bracer, Gloves

So basically when I push my Z key my tank will normally get aggro and the team will move towards their current target and engage in melee. Using a simplified version of Krushpak's arena set up I fire off my spam abilities with one key press and have the ability to blow CDs, CC, drop some heals or add 4 enhanced earth elemental tanks with the stun built in. My DPS has gone up around 30-40% but my crappy green questing weapons are holding me back. I have been using this simple set up on the isle to kill elites, some small mobs and the rares. Killing a rare guarantees each member of the team will get an epic BOA drop of sometype that will morph into something useful in whatever character specialization you are in when you activate the token. As a result the island is quickly becoming a very efficent means of gearing a team for PVE as you can farm and mail the tokens to other toons, once they are activated it become BOP. I have farmed up most of a complete set for my warlock and resto/boomkin while being on this party.