The priority macros I use which give me slightly better DPS then before the patch, since they are so simplified.

Mage:
1
/cast Frozen Orb
/cast Icy Veins
2
/cast Ice Floes
/castsequence reset=target Frostbolt, Frostbolt, Frostbolt, Ice Lance, Flurry
3
/cast Frost Nova
4
/cast Cone of Cold
5
/cast Ice Barrier
Elemental Shaman
1
/castsequence reset=target Flame Shock, Lightning Bolt, Chain Lightning, Lightning Bolt, Chain Lightning, Earth Shock, Lightning Bolt, Chain Lightning, Lightning Bolt
/cast Blood Fury
2
/cast Lava Burst
/cast Elemental Mastery
3
/cast Thunderstorm
/cast Ancestral Guidance
/cast Astral Shift