From PentaxRumors: the new Ricoh GR III camera will be announced tomorrow at 5pm. Shipments in the US are expected in mid-March. The US price will be $899.95 (the GR II model is currently selling for $500).
From Nokishita: Ricoh is also expected to announce two other new compact cameras. There is also a new Ricoh R02020 digital camera registered online:
Like the new Ricoh GR III Facebook page