You guys should really try the new LightningAsic V3c miner software if you haven't already, it's designed to do one thing and one thing only, to get the most out of your Gridseed miners. If you don't have a Tp-link 703N, they are really cheap to get on eBay @ ~$20. Definitely worth the investment.

https://bitcointalk.org/index.php?topic=554542.0