The Saturday, June 16, LIVE TidBITS Presents event/hangout of “Adieu MobileMe” with Joe Kissell (from France) and Adam Engst (from NY) is now an active archive watch on YouTube, here:
Thus, if you missed it live, you  can watch this well-done presentation prepping existing MobileMe users for a transition to iCloud (or other services) once MM dies at the end of June 30.
Adam and Joe also posted a nice list of resources (alternate services) that might help fill the gaps of iCloud that you miss from MM; you find this list of resources on Adam’s Google+ page here (should be at the top of his Comments section for this post):
Don’t forget Omug’s MM-to-iCloud To Do/Checklist Guide (PDF):