Here are videos from SpaceX's experimental F9R-Dev rocket test campaign. F9R-Dev was lost in an anomaly on 22nd August, 2014. SpaceX's official statement is here.
The fin flight: Testing steerable grid fins for the first time. Grid fins will be used for precision landing of the Falcon 9 Reusable (F9R) first stage on a barge or landing pad.
The 1km hover: Beating Grasshopper's altitude record.
The 250m hover: The inaugural flight of the new vehicle.