As was found out here http://www.swtor.com/community/showthread.php?t=727762
, FOTM classes are more likely to get top tier Season 1 rewards than non-FOTM classes.
I don't like this inbalance.
I have the suspicion that the number of Healer Sorcs / Sages who are getting top tier rewards will be the smallest number of all classes.
However, I have no actual data for that; this is just an suspicion growing after reading various PvP threads about Sages / Sorcs being viable as healers.
I also believe that - accordsing to the Leaderbords - far more Empire faction players will get top tier rewards than Republic faction players.
Which is another inbalance.