From the Los Angeles Times (free registration required):
China’s revaluation of its currency last week may roil the economies of its Asian neighbors in the short term but could be a boon for the region in the long run.
Analysts say China’s move toward a market-based currency system may stimulate trade and consumer demand in the region and lead to increased productivity for manufacturers.
See also “Yen Drops; China Won’t Shift Yuan Again in `Foreseeable Future‘” from Bloomberg.