Forum Nokia has just released the Nokia Series 90 C++ SDK (this is just a beta version) and the Nokia Series 60 v2.0 C++ SDK
The Series 90 SDK allows you to start develop application for the forthcoming Nokia 7700 and requires Metrowerks Codewarrior.
The Series 60 v2.0 SDK (for the Nokia 6600) supports Borland C++BuilderX, Microsoft Visual C++.NET, Microsoft Visual C++ 6.0 and Metrowerks CodeWarrior.