yes i saw those packs... kind of a waste of time tho IMHO becuase those so called 100w are only about 23w where as the so called 150w are 42w...

the pack of 6 IS cheaper, but if you dont have much space, id go with the 150w

remember for every 2 100w yyou put in there, you could save half the space with 1 150... just my reasoning, thats all