Are you going to be working on a full client yourself? ![Grin](https://bitcointalk.org/Smileys/default/grin.gif)
I've been tempted... but no, I'm more interested in doing web-based Bitcoin apps, and extending the existing C++ implementation's JSON-RPC API is a whole lot less work than re-implementing the whole shebang.![Grin](https://bitcointalk.org/Smileys/default/grin.gif)