I totally agree with that this games combat gets boring/repetitive very quickly, it makes me miss SW:TOR combat a little bit (but not SW:TOR cuz FTP TOTALLY RUINED IT)
At least there I could choose between a repetitive sustained rotation or a "BWAHHAHAHAHAH DIEEEEEE" burst combo that leaves my resources depleted and the mobs very dead and me out of the fight a minute, because personally I find it fun to have options!
Right now the only thing that chews up our TP or MP uber quick is aoe rotations, which for some class's is just 1-2 buttons...BORING