No specific info about version 2.0. Please visit the main page of IsWiX on Software Informer.
NUnit is a unit-testing framework for all .Net languages.
Make CHM, PDF, and HTML help files.
PowerCHM is a technology set that provides help and Web contents using HTML.
The Smart Device Framework is a sample applications (with source code).
WAC is creating an open industry platform that benefits the entire ecosystem
It provides a subset of features from the .NET Framework 4.