remove the battery and keep it in cool place out of sun light (wouldnt go as far as keeping it in the fridge) but plug it in every once in awhile and let it run for a while and give it a charge up, say once every few months.
Q6600-P5K Premium+Alphacool w/blocks
EVGA 8800gt+Koolance w/block
Samsung f1 raid0 +f2 hard drives
Enermax infinity 650w Popeye67's Blog