From wow.incgamers.com

Statistics

Talent Improvements

Elemental Tree

Talent: Unrelenting Storm
Effect: Regenerate mana equal to a % of your Intellect every 5 sec, even while casting.
Statistics: Rank 1 = 2%, Rank 2 = 4%, Rank 3 = 6%, Rank 4 = 8%, Rank 5 = 10%.

Talent: Elemental Precision Shaman
Effect: Increases your Chance to Hit with Fire, Frost and Nature spells by a % and reduces the Threat caused by Fire, Frost and Nature spells by a %.
Statistics: Rank 1 = Chance to hit +2% & threat -4%. Rank 2 = Chance to hit +4% & threat -7%. Rank 3 = Chance to hit +6% & threat -10%.

Restoration Tree

Talent: Nature's Blessing
Effect: Increases your spell damage and healing by an amount equal to a % of your Intellect.
Statistics: Rank 1 = 10%, Rank 2 = 20%, Rank 3 = 30%.

Talent: Nature's Swiftness
Effect: When activated, your next Nature spell with a casting time less than 10 sec. becomes an instant cast spell.
Statistics: N/A

Talent: Tidal Focus
Effect: Reduces the Mana cost of your healing spells by a %.
Statistics: Rank 1 = 1%, Rank 2 = 2%, Rank 3 = 3%, Rank 4 = 4%, Rank 5 = 5%.

Talent: Healing Focus
Effect: Gives you a a % chance to avoid interruption caused by damage while casting any Shaman healing spell.
Statistics: Rank 1 = 14%, Rank 2 = 28%, Rank 3 =42%, Rank 4 = 56%, Rank 5 = 70%.

Talent: Healing Grace
Effect: Reduces the threat generated by your healing spells by a %.
Statistics: Rank 1 = 5%, Rank 2 = 10%, Rank 3 = 15%.

Talent: Tidal Mastery
Effect: Increases the critical effect chance of your healing and lightning spells by a %.
Statistics: Rank 1 = 1%, Rank 2 = 2%, Rank 3 = 3%, Rank 4 = 4%, Rank 5 = 5%.

Talent: Purification
Effect: Increases the effectiveness of your healing spells by a %.
Statistics: Rank 1 = 2%, Rank 2 = 4%, Rank 3 = 6%, Rank 4 = 8%, Rank 5 = 10%.

Talent: Improved Chain Heal
Effect: Increases the amount healed by your Chain Heal spell by a %.
Statistics: Rank 1 = 10%, Rank 2 = 20%.

Threat Level

This skill causes a moderate amount of Threat.

Uses in PvP

Please feel free to add a bullet list of uses within PvP or editorial if you have more to say. What use is it against other builds, what skills can it be used to counteract or prevent. What skills does it work well in combination with.

Uses in PvE

Please feel free to add a bullet list of uses within PvE or editorial if you have more to say. Which creatures/bosses in particular is it useful against. What skills does it work well in combination with.