my.live.com has been up and running (having moved from live.com) now since May after it first got announced in April. This week there has been a new forum appear on the new style Microsoft forums: My.Live.com Suggestions and Feedback. So now you can easily give any feedback you have on this through this channel. There is, however, no announcement been made on the my.live.com team blog, the forum has just appeared.
Any gripes, suggestions, or problems, there’s the place to go.