ok i want to buy a nintendo DS and some sort of kit to play backups on what should i get ?! oh and btw im broke lol im thinking about getting a first generation NDS used BULKY for 80 bucks at ebgames and now what kit should i get ? im not looking for anything fancy but i would like a cart that has the most compatiabilty also ive been reading that i have to flash my NDS ? whats that ?