Hmm well at this this guy appeared to know what he was talking about and better still offered a real world solution.. I have had 1 gig lexars 80 speed without any problems but have to admit the sandisk extreme 111 at x133 speed and guaranteed for life is mighty impressive.. I thought the Nikon battery life was supposed to be excellent? I find it best myself  on my Canon to not wait until the batteries are flat but to keep them charged before that happens I have had mine for over 2 years and they remain 100%

Danny O'Byrne  http://www.digitalartzone.co.uk/

"All the technique in the world doesn't compensate for the inability to notice" Eliott Erwitt