Read the EULA very carefully
I assume you bought some discs at 1/2 price and plan to sell them, still in the original box, for perhaps 3/4 price after GA. Normally there is no restriction to selling a purchased OS or application to someone else PROVIDED you remove it from your computer and do not continue to use the program yourself (or never install it). HOWEVER, you must read the EULA very carefully to make sure that there is no "to original purchaser" clause that prevents the resale of the product. (particularly a product purchased on a special, limited time offer) You would have some very irate customers if you sell them a product, then learn that the installation key is only valid for the original purchaser. (For...