Looks fantastic! There is also an API and documentation available at http://api.tfl.gov.uk.
Disclaimer: I'm part of the combined TfL and BAE Systems Applied Intelligence team (née Detica) that did the build and architecture, along with the great folks at We Are Experience and Attenda.
Disclaimer: I'm part of the combined TfL and BAE Systems Applied Intelligence team (née Detica) that did the build and architecture, along with the great folks at We Are Experience and Attenda.