Sacha talks about using RX with Signal R.
http://sachabarbs.wordpress.com/2014/12/09/signalr-rx-streaming-data-demo-app/
This interests me because we both with in banking, specifically FX, where we constantly deal with streams of data over the network. So SignalR + RX seems like the perfect tools?
RX Goodness 
I’ve read that one Lee. This may interest you.
http://dynamic-data.org/
It’s the blog of my opensource project, some powerful rx stuff there