Lots of other stuff to know -- what's the BER (bit error rate), what's the programming model (page erase, like flash)? How many simultaneous reads can you push

Lots of other stuff to know -- what's the BER (bit error rate), what's the programming model (page erase, like flash)? How many simultaneous reads can you push through? Writes? Can you halt an ongoing operation or change it mid-stream?