No discounts, they will be the same, just remember, you CAN use what you buy(even Wii points) on both systems unless you have entered the code on one or the other, I.E. you bought/received a Wii points card but just have not entered the code on either system yet, you can use it on you DSi, but once you put the code in, the points are no longer interchangable, got that strait from the rep on Saturday when he came into the Saraland, AL G.S. store to drop off the DSi's he answered some ???'s