For tomorrow's scheduled press event Ricoh will most likely announce a new 360° camera called Pentax Theta 360. Such camera was rumored last year, but the Pentax acquisition by Ricoh probably delayed the announcement. Various prototypes of similar camera were shown at Photokina (by Pentax) and during the CES show (by Ricoh). The above screenshot taken earlier today is from Ricoh/Pentax website but the page is now removed. You can still access the cached pages here. There could also be other new products that will be introduced.
Tomorrow Fuji will also announce their XF 23mm f/1.4 R lens that will be priced at $849.95. Here are the specs: