Over the past couple days I've made considerable progress on the GoWearFit command line extraction tool. Be sure to get the latest version in my edited release post below.
The current version (z712a) 100% parses the device data memory, and there are only a few fields I still don't understand. It also adds extracts date and time for the samples, and exports everything into one nice tab-delimited spreadsheet table.
I added an example tab-delimited output file into the release post as well.
Finally, I discovered that FileDropper hosting is not quite as free and forever as they claim. So a lot of earlier data postings have disappeared. Most are obsolete, but I thought I'd mention it.
This is still very untested. Let me know if works or not!