Some napkin math based on simulationcraft numbers;
The Shamanism buff is about a 13% gain on LB (150%->170%), so about a 3.0-3.5% DPS gain on its own.
Elemental Focus has about a 60% uptime, so that's about a 3% gain there as well.
Overall, I think that still leaves us a little behind the pack. I expect more adjustments, though; most other classes have had multiple iterations, and this is just the first set of numbers tweaks for Shaman.
Link to the source;
http://blue.mmo-champion.com/topic/2...sues-part-iii/