It's my language of choice for personal projects. A neat and compact language that is very trivial to pick up, feels light, and yet sufficiently subtle to intellectually engage your mind.
Very productive, good performance, and very portable.
http://www.youtube.com/watch?v=HxaD_trXwRE
caveat: /imho/ the runtime is not yet fully cooked. ETA is Go1.1 (end of year I believe) for beefed up internals.