bill - 4:35 am on Feb 12, 2013 (gmt 0)
Dropping the requirement for a Microsoft Account can only make this service easier to use.
I'm still debating which version of Office 2013 to get. However, the Save to SkyDrive option has been available in Office 2010 for a while now. I must admit that I haven't used it for much other than OneNote syncing.