Embarcadero are pushing out deals at the moment. In addition to the C++Builder bundle deal written about here, here’s the latest one I’ve bumped into: for the month of June 2012 if you buy either Delphi XE2 or C++Builder XE2 (new user or upgrade, Professional, Enterprise, Ultimate or Architect edition) and you get the full equivalent edition of RAD Studio XE2.
You can find what’s new in Prism XE2.5 either on the Oxygene section of the RemObjects web site or in marc hoffman’s blog post. In short you get support for building Metro apps for Windows 8, mapped types, flow control analysis and the neat async future await keyword.
Full details of the deal are available here.