If you already own an Xbox, there's nothing in the box to justify buying it to replace a working Xbox Slim. The extra hard drive space is great, the sounds are great, and I like different controllers than everyone else. You also get a few extras (armor, avatars, etc.) and of course Halo 4 and the standard headset. If you need to upgrade your Xbox for any reason, or just want to look cool, then by all means get one, but if you're a parent and your kid is bothering you to buy one, there's nothing