yvg1900 - great job with the miner!
i5-3337U Ivy - 2.1 --> now 3.1 HPM
i5-3340M Ivy - 2.4 --> now 4.0 HPM
i5-2450M Sandy 0.9 --> now 1.9 HPM
Taking into account power consumption, I would have to get 28HPM on the single 280x to get same performance/watt.
MMC rocks...
I think we should (grant) support the dev, so the version with no mine for dev can be release and market it for wider adoption... big selling point for MMC