this is what i am rolling now.. im sure many will blast it.. but focus on to hit and + crit and ull do fine.. im 77 now critting for 2600 on OB's and 1600 on HS and happens fairly often..
IT PS HS HS OB DC DC
repeat and add a DC
its a fun option if you dont wanna be a dual weilding caster. and on test dummies i pulled 100 more dps over the same amount of time as the unholy/frost after patch