I found a little video about that one whilst looking for something else, tsc, it's only short http://www.online-archaeology.co.uk/tabid/58/afv/topic/aff/13/aft/4254/language/en-GB/Default.aspx
Excellent, thanks Rhiannon! And were details published in February and anticipated?
(Sorry, I'm not making much effort to find out for myself here...)