Office 365 plans for SMB customers: look out for some new plans & some changes to existing ones. 3 new Office 365 plans launch on 1 Oct 2014 – O365 Business (Office apps & OneDrive), O365 Business Essentials (cloud services & OneDrive), and O365 Business Premium (everything above). Changes include increasing the 25 user limit to 300 from 1 Oct 2014 for O365 Small Business/Small Business Premium plan customers, & reducing the price of the Midsize plan for new customers from 1 Aug 2014.

The full Microsoft article is here http://bit.ly/1sPhexj with some useful diagrams & information on migration.