Is there a windows client available?
We are building a non-QT non-Satoshi based proprietary client called Nano that will be available on Android, IOS, Windows, OSX and Linux. This will not be ready on launch.
On launch we will release Nanocoin Core, an open source version. We will release a Windows, Linux and OSX QT client for the core on launch. This is a heavily modified version of Blackcoin. It features a modified version of proof of stake, called proof of consensus. Our major advancements won't be released until Nano comes out. We have made proof-of-consesus far more efficient and uses far less battery power.