Possible Hot deal on laptop ram? 1GB PC2-5300 SODIMM 65.89 w/ google checkout buy.com

[demenion]

1GB PC2-5300 SODIMM HP NOTEBOOK-EM993AA - STH-EM993/51

Link

Any reasons why this wouldn't work on an A8Js/Macbook?

This is the cheapest price I can find on a gig of ram these days.

i couldnt find much info on it.. possibly manufactured by SimpleTech...

Careful because it might only be a 512mb stick

HP.com

HP 512-MB (DDR2 667 MHz) SODIMM
EM993AA