According to aÂ cheapassggamer threadÂ Best buy will be selling the blue/black, red/black, and pink/white 3DS XLs for $159.99 from December 9th to December 15th. If you plan on picking up a 3DS XL, now you know the PERFECT time to buy it! Currently the 3DS XL is $199.99 so you are saving at least $40. Did you already buy a 3DS XL at Best Buy? To my knowledge if you go there with aÂ receipt of your purchase they will do a price match for you.