They should open a BTC_B/BTC market. Customers with coins lost in the hack can sell their BTC_B at a discount to speculators banking on Bter making good on repaying them eventually.
Fully support idea of btc_b/btc market.
It may turn out in the end that bter may like the idea of these virtual bitcoins, and their total amount will be higher than the number of actually stolen btc. If it increases turnover, raises liquidity and brings profit, why dispose of a working device?