While not N770- or N800-related, these contests might be interesting for anybody developing for Nokia platforms.
2008 Mobile Rules Annual Business Plan and Application Competition will open its gates on August 1st, and right now you can upload your picture to appear on a back seat of a limo in a company of two faithful mobile software engineering fans, supposedly users of your great wireless application. You can read the competition rules here.
Nokia Open C Challenge has the deadline of August 31, 2007: “Entries to the Open C Challenge are mobile applications created for the S60 3rd Edition platform. Each application must include at least one open source software component that is ported to the S60 platform using the Open C libraries or a new application developed in the Open C environment. Feel free to port components that you have written yourself, or code that is freely available in an open source community.”