A round up of low self discharge cells:
Accupower: Acculoop
http://www.acculoop.com/
Amondotech: Titanium Power Enduro
http://www.amondotech.com/index.asp?...OD&ProdID=1131
Ansmann: maxE
http://www.ansmann.de/cms/consumroot...able/maxe.html
GP Batteries: Recyko
http://www.gprecyko.com/
NEXCell: EnergyON
http://www.nexcellglobal.com/
Panasonic: R2 Technology
http://www.panasonic.ca/English/batt...eplacement.asp
Rayovac: Hybrid
http://www.rayovac.com/recharge/hybrid_technology.shtml
Sanyo: Eneloop
http://www.eneloop.info/
Uniross: Hybrio
http://www.hybriousa.com/
Vapextech: Instant
http://www.vapextech.com.hk/instant.html
Varta: Ready2use
http://www.en.varta-consumer.com/con...a-consumer.com
Some background reading:
http://64.233.183.104/search?q=cache...lnk&cd=8&gl=uk
http://www.gs-yuasa.com/jp/technic/v.../003_2_046.pdf
Note, there seem to be two types. Although we can't be sure, it looks like there are Sanyo Eneloops and 'the rest' which are based on Yuasa/Matsu****a technology. Eneloops have the lowest self discharge but the others offer slightly more capacity - and are cheaper!
As luck would have it, I just got a promotion from CPC for a Uniross X-Press 700:
http://cpc.farnell.com/jsp/Batteries...questid=408718