Yeah thats a scam I had not heard about Rich sorry mate... I  can recommend the 2 gig Delkin devices one just got that and 110 speed for 2 gig the 4 gig is 2 gig you mean? always shoot jpeg as well get even more shots then 

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

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