Yup ...they'll probably move to 7mm HDD drives which are 500GB right now
http://www.engadget.com/2012/04/11/wd-7mm-scorpio-blue/
If THIS is true then everything may change..........
http://9to5mac.com/2012/05/17/new-macbook-pros-will-get-samsungs-830-series-ssd-too/