Ok again same for this one it is a guide and you do not have to follow it precisly but this is what i think the best build is for leveling from 1 to 70 in relitive quickness.

5 Ferocity
3 Feral Instinct
2 Brutal Impact
3 Thick Hide
2 Feral Swiftness
1 Feral Swiftness
3 Sharpened Claws
2 Shredding Attacks
3 Predatory Strikes
2 Primal Fury
2 Savage Fury
1 Faerie Fire (feral)
5 Heart of the Wild
3 Survival of the Fittest
1 Leader of the pack
2 Improved Leader of the pack
1 Mangle
5 Furor
5 Improved Mark of the Wild
3 Natural Shape Shifter
1 Omen of Clarity
3 Intensity
3 Improved Rejuvination

ok here is the druid build for leveling if u do this one right as well u will only need to stop and do a regen or 2 to keep u going so there is little to no down time on this spec either

http://www.worldofwarcraft.com/info/classes/druid/talents.html?tal=00000000000000000000000000005030321303220103531203030135120540300200000000000000000