Another Star Wars Astromech release from Bandai in their Figure Kit range is this R4-I9. This is an R4 Astromech as seen on both the first and second Death Stars providing maintenance for the Empire.
The kit will arrive in November, costing 2000 Yen (£13). It should not be too hard to get outside of Japan with these Bandai products now having an official route to Western Markets via Bluefin.
As a nice bonus part in the box, you get the drinks tray that R2-D2 uses aboard Jabba's Sail Barge. That means by buying R4-I9 you also get a new part to add to your existing Bandai R2-D2.