For those of you that might want an insanely bright headtorch, that is useless for using inside a tent, here it is on ebay...
http://www.ebay.co.uk/itm/5000LM-3x...rtGoods_CyclAcces_RL&var=&hash=item3ce5bdcf69
http://www.ebay.co.uk/itm/5000LM-3x...rtGoods_CyclAcces_RL&var=&hash=item3ce5bdcf69