The SDK to work for developing applications on IPhone is delayed to June. Apple is going to launch a IFund to fund its activities of trying to develop a Ecosystem around the IPhone so as to make it a perenial Money Spinner and cash cow.
Facebook also has its own venture funds to sponser activities around facebook application development.
Ajax Windows and EyeOS are two virtual OS available which can be accessed through Browser and can be used to access on demand applications. There is no need for maintenence activitiesa like loading drivers and cleaning the registry in a Virtual OS.