"Tip Or Don't Bother"

This is pretty true, although I would not bother using tip if writing a small command line utility or learning Go, but for a large project this is good advice. Execution time and memory usage are greatly improved in tip, at the cost you might run into bug that has not been fixed yet.

Here is the burn down to Go 1.1's release, when it hits bottom it releases. http://swtch.com/~rsc/go11.html# Go 1.1 RC should be out in April I believe.

Also if you need to pick a Go tip build to use this is useful: http://build.golang.org/