It can be quite frustrating if you have computers that do not run Lion OS but you still want to sync with the iCloud.
The answer, i found, is the software below. It can be installed on any machine running Snow Leopard, which can be installed on any intel machine.
http://www.chronosnet.com/Products/sohoorganizer.html
You can also use other services such as those offered by Google and Yahoo! to sync between devices as well
Sam