Ricoh is one of the companies that is very diligent in providing regular firmware updates for their cameras. A lesson certain other digital camera manufacturers need to learn :) Version 1.21 of the GRD III firmware is now announced, and you can read all about it via dpreview.
RAWsumer reviews at the Compact Reviews Organizer
CANON: G11 S95 G10 G9 S90 SX1is
PANASONIC: LX5 LX3 LX2 FZ50 FZ100 FZ40/FZ45 FZ38/FZ35 FZ28
RICOH: GRD III GRD II GX200
SIGMA: DP2 DP1
NIKON: P7000 P6000
CAMERA DIARIES: Panasonic LX3 Canon G10