With Panasonic recently announcing a 240GB camcorder, Canon has deemed this a good time to juice up the storage on its own product line with a pair of updated models. Both the HF 21 and the new flagship HF S11 double their predecessors' integrated memory to 64GB, with the latter also adding in a new night shooting mode and more advanced image stabilization to the mix. The expanded storage will allow up to five and a half hours of re
