If the thought of a pure lethality (and being, perhaps, outshone by a Lethal Sniper) does not appeal to you, perhaps you'll enjoy the build I'm using (and have been using before 1.2): the Hybrid Lethal/Medicine. Its role is not dps/healer; you're still 90% dps and 10% healer. The difference is playstyle: by sacrificing Weakening Blast you cut back on damage on all your main abilities: Corrosive, P Dart and Cull. The big gain is Medical Engineering. You get extra TA generation: meaning more Culls, and a lot more flexibility when it comes to TA's for Stim Boosts. The Lethal/Medicine build is probably the best build when considering Finisher Moves. Medical Engineering may seem lackluster at first glance: Kolto Probe doesn't heal that much and costs energy, it can only occur once every 6 seconds, and its proc chance is only 30%. This isn't the whole story: you should try to keep Kolto up on at least one other person, two if the situation favours it. This dramatically increases your chances for TA procs. Furthermore, it helps you regenerate TA's outside of combat (while staying mobile). Thus: you start most fights with 2 tactical advantages AND Stim Boost already up. (especially since Medical Consult now allows TA to linger 6 more seconds, should you be unlucky and lose them) Also, in most fights you'll get 1-3 more lucky procs (and of course you still have Shiv). This means you get about 4-6 more Culls (which is the main source of damage in this build). I even stopped using stealth most of the time, since I don't need the TA from HS anymore and I do more dps by applying my dots while closing in (stealth is now mainly utility/a way to get Sedatives off, which is situational BUT killer if you can use it). This build isn't for everybody, KP management requires some multitasking and Concealment is probably still at least as good if played correctly (even after 1.2). But you may very well enjoy it, I've played it since lvl 49 and not planning to go back. EDIT: Here is the build, in case you're interested: http://www.torhead.com/skill-calc#401rccMdhZZhrbkrMhd.1