infiltrator
The Turian Ghost Infiltrator may be the new Geth Infiltrator in terms of damage buffs. Use this spec before Bioware invariably nerfs the hell out of it: Best Build: 4/6/6/6/4.
The Geth Infiltrator is indisputably the best killing machine in the game - just don't get shot. :) Here is the ideal build and why: BEST BUILD - 4/6/6/6/4 Q:.
*UPDATE MAR 1 2013* - This farming method is no longer reliable since the last map changes and Piranha nerfs. It can still be done, but it is a little harder. An easier way to farm Platinum as of the Reckoning DLC is here: http://girlplaysgame.wordpress.com/2013/03/02/mass-effect-3-the-new-way-to-farm-platinum-on-firebase-glacier-hazard/ Time...