En este link pueden encontrar gran cantidad de detalles y repuestas de la nueva version de Delphi para .Net.
http://www.webwire.com/ViewPressRel.asp?aId=78294
"....A key to Delphi Prism’s multi-platform capabilities is the exclusive Oxygene technology licensed from RemObjects. Oxygene is a powerful Common Language Runtime (CLR) compiler engine that can support a variety of CLR-based platforms such as Microsoft’s .NET and the open source Mono runtime. Embarcadero has collaborated with RemObjects to develop Delphi Prism and is the exclusive licensee of Oxygene...."
Saludos