Is this real ? 500$ discount ?

i was searching for hp laptop to buy i got this

http://www.xpbargains.com/sitecoupon.php

http://www.xpbargains.com/st_deals.php/HP_coupons.htm

and i found someone talking in notbookreviews here http://forum.notebookreview.com/showthread.php?t=236306 about hp 500$ coupon for saving 500$ for hp pavilion laptops is this real can i save that amount of money by using some coupons like this ? please tell me the way to do this

 

yes, you can.

 

details plz i want to do this now (buying laptop with a discount if available)