I haven't managed to put an RSS feed up yet (sorry), but you should always be able find the latest issue at this link:
http://golangweekly.com/archive/golang-weekly-latest-issue.h...
Also, for Londoners, there has been some interest in starting a local user group:
http://news.ycombinator.com/item?id=5220389
I'm not sure what is happening with this right now, but it would be worth keeping an eye out.