Still in their prototypes it seems, but base on the weapons they carry, the one on the left should be the Gray Color Ver. The one wielding a knife on the right is the Sand Color Ver.
October release, 2,625 Yen each (inclusive of tax).
Another item which seems to be absent at the Tokyo Toy Show is this Tamashii Web Shop limited S.H. Figuarts Kamen Rider Kuuga Amazing Mighty Form:
Pre-order started since June 19th. October release, 2,625 Yen (inclusive of tax).
Images are from Robot Damashii Diary and Tamashii Web Diary.