My mom has an iphone4 and an ipad1 and a really old iMac that I do not want her to install lion on. She really doesn't use the computer anymore and lion would just confuse her. She lives on the other side of the country so this has to be all done remotely. But I'm going to help her update both iOS devices to 5 tomorrow and was curious if she will be able to sign up for iCloud? The photo streaming would really be beneficial for her.