m-one over at Esato confirmed that Shiho will be announce June 17. That brings up the list of phones to be announced to 5...
Paris (5MP sliding UIQ smartphone)
Shiho (7+ MP high end cameraphone)
Beibei (3MP mid range UIQ smartphone)
Patty (Walkman version of C902)
C300 (low end phone)
of course nothing is set in stone, but this is the most up to date list.