Suggestion

Location of sites from an FOI request:

http://www.whatdotheyknow.com/request/location_of_cycle_hire_docking_s

Number of bikes at a site:

http://www.whatdotheyknow.com/request/realtime_data_regarding_number_o

(will be available as a map on the TfL website - still awaiting update on actual data) 

My good friend Oliver O'brien created this digital London bike hire map, with animation of use over the last 24h. Great guy full of interesting ideas.

http://www.oobrien.com/vis/bikes/