Currently Being ModeratedFeb 7, 2012 8:13 AM (in response to artdough)
You can migrate to iCloud with Snow Leopard (when asked to to confirm that you have Lion, lie and say 'Yes') and you can set Mail up manually to access your email. The method for that is described here:
I would assume you could also do this on your phone, but I can't advise on the exact method.
You will not be able to access iCloud's other facilities, other than that some people have managed to make a hack work to sync calendars. This page lists the situation when you migrate anad includes a link to the hack:
Currently Being ModeratedFeb 7, 2012 3:50 PM (in response to Roger Wilmut1)
Roger, thanks, this will be really helpful - do you also know when I should do this?
Currently Being ModeratedFeb 8, 2012 12:05 AM (in response to artdough)
Any time between now and the end of June, though I wouldn't leave it until the last day.