X13 MSI 280X 3G 2.515+ Mh/s

"intensity" : "16",
"worksize" : "256",
"kernel" :"marucoinmod",
"lookup-gap" : "2",
"thread-concurrency" : "8192",
"shaders" : "2048",
"gpu-threads" : "2",
"gpu-engine" : "1150",
"gpu-memclock" : "1300",
"gpu-memdiff" : "0",
"gpu-powertune" : "20"

http://i.imgur.com/Q5GiBON.png