Like mentioned above, checkout http://www.yodobashi.com/ and http://www.mapcamera.com/
I'm going there this Thursday and I'm going to be shopping around for a deal on Pentax 67 + few lens. Also maybe a Hasselblad 60mm lens.
Also lots of film, since it's a lot cheaper than Australia. Here are some prices of film at Yodobashi:
http://www.yodobashi.com/%E3%83%96%E...ontinued=false