CNET lists several vendors selling CS4 Design Standard at prices varying from $484 to $1,399. Knowing that Adobe's list price is about $1,399, what are you getting when you buy the $484 version?
This seems to be the case with some other Adobe products - some vendors with extremely low pricing.
Do you know what an OLED TV is?
CNET explains how OLED technology differs from regular TVs, and what you need to know to make the right shopping decision.