Wirelessly posted (iPhone 4: Mozilla/5.0 (iPhone; CPU iPhone OS 5_0_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9A405 Safari/7534.48.3)
Yes. We each have our own iCloud Accounts (me.com apple IDs) for Mail, Contacts, Calendar etc. We have a third account for iTunes purchases that we share.