Has anyone heard of the new type of rechargable batteries called Hybrid by Rayovac, or Sanyo's Eneloop? They are supposed to hold their charge for 9 months when not used.
http://seattletimes.nwsource.com/html/businesstechnology/2003494774_batteries260.html
http://seattletimes.nwsource.com/html/businesstechnology/2003494774_batteries260.html