There are two new end user portals online for Microsoft partners and customers playing around with the Office 365 beta

http://office.microsoft.com/en-us/sharepoint-help/sharepoint-online-for-office-365-beta-for-enterprises-FX102052854.aspx

http://office.microsoft.com/en-us/sharepoint-help/sharepoint-online-for-office-365-beta-for-small-businesses-FX102053252.aspx