Not hardcoding the DNS when you select DHCP (the default) is the point. Why are BA doing it. I know that 8.8.8.8 is Google's DNS.
Thinking Google's DNS is "better" that your ISPs DNS Server 99% of the time is quite wrong. I don't want to argue with people regarding this and it actually it CAN make things slower. If people want their devices to use Google's DNS they should choose it themselves :-)
Saying all that.. I saw an update yesterday to 1.6. From the outside.. I see no differences and Watts and Voltage graphs are still broken.
I'm making maybe 0.005 BTC every day. (hard to know as I've only been running under a week) so considering the power usage and how much BC is getting harder to mine I don't think I'll ever get ROI). 6 Months ago.. It would have been a lot different.