this was done over 2 minutes of dps
http://img705.imageshack.us/img705/8...1909095659.jpg
For heroic if you look at wmo scoreboards, as elemental(lots of top end guild use that, exodus, cuties etc etc), I'm the(or at least was few days ago) highest dps shaman in US(that was pre both trinkets, and few other pieces), I know where shamans are supposed to be, and i raid on 2 ele.
I gave you 2 minute mark for a reason, after that dps seems to drop of a bit, but not much, also most people here do heroics, where in 30-40s fight they should easily see 6-7k+(of course fights dont last that long anymore in 5 mans)