step 1: spam trade and durotar/elwynn for similar experience 1850 players
step 2: achieve "X" rating otherwise repeat step 1 until you achieve "X" rating. (in this instance replace "X" with 2000 for the appropriate starting accomplishment)
step 3: either continue pushing rating with these people or begin advertising your newly acquired "X" rating for similar and consequently higher experience partners.
step 4: repeat step 3 in intervals of 100 to 200 rating until you find a group of people you enjoy playing with and/or achieve high ratings.
I second that! This is a good way to achieve rating. Try 1900 first