The bot on IRC displays Hashs/min.
Protoshares Difficulty: 0.00994143, current blocktime: 4.542 minutes, next diff 0.01313431 (+32.12%) in 2442 blocks (1.1 weeks), Network hashrate: 9.401 MH/min.
https://bitsharestalk.org/index.php?topic=1737.0
yeah!
and,how to get this info?