I run my 5830 at 1060 core 1195mV 386 mem with the modified Phatk kernel from here https://bitcointalk.org/index.php?topic=25860.0 settings are -k phatk VECTORS BFI_INT FASTLOOP=false AGGRESSION=13 WORKSIZE=256
340.6 Mh/s
I feel like your waisting alot of electricty to achieve around 7 more megahash then me. Any clue how many more watts that requires?