I promised that I would write some SmartPhone applications now that I have an SPV C500 Developer Edition, and today I got around to installing the SDKs - and immediately got started with my very first Compact Framework application, a full-blown registry editor (now how nerdy is that for your first application?). The tree view is already done as shown in the emulator screenshot below:

List View and then editing support is next. Not too bad a result for playing for less than an hour, now is it?