how to buy sumo ticket in Kyushu

Hi I will be in Kyushu for November sumo tournament. Would some one please tell me how to buy sumo tickets besides queing up on the day for the same day ticket? I want to buy the arena seat in advance if they are still available.

Official site:-
http://www.sumo.or.jp/eng/
Current seat vacancy:-
http://sumo.pia.jp/en/vacant/va11.jsp
Buying tickets:-
http://sumo.pia.jp/en/sumo11.jsp#method
Typical tournament day schedule:-
http://www.sumo.or.jp/eng/ticket/honbasho_ichi_nichi/index.html

I have used buysumotickets in the past, they are very easy to deal with and can mail you the tickets to your home country before you head to Japan:-
http://www.buysumotickets.com/

Just note that the Arena seats are relatively far away from the action but you still get a reasonably good view, just don't expect to be "up close". We had front row Arena A which was handy because using a camera meant there was no-one directly in front of us. Of course all the box seats are in front of you, although they are located a few steps down so no heads in photos.

If you have any specific questions feel free to ask. We had a great time at the Sumo!

Enjoy your trip!