Let's face it, when it comes to filling up landfills there is almost nothing worse than old electronics. Not only are they usually made of non-biodegradable plastics that can do some serious ecological damage; some electronics, such as LCD screens in laptops and HDTVs, contain mercury, which should never be thrown away with the regular trash. It's always a good idea to recycle your old electronics. It's even better to make some money doing it! That in mind, you could get $20 from Best Buy by trading in your old gear.
From now until April 26th, the retailer is awarding a $20 Best Buy Gift Card for any device that is able to be turned on and works. It did not have to be purchased from Best Buy, though some exclusions may apply (very old tube TVs, for example). But even if it's not working, they will still take your old electronics and recycle them for free. You can learn more about their recycling program here and find out what times of items they take.
Either way, you will be doing a good thing!