you need xbox live
I think you need to pre order.
the RC-XD is usable in Local mode without Xbox Live you just need to get 3 killstreaks but if you want to play online you need Xbox Live and you need to buy the killstreak
you need to have xbox live
how much memory does xbox live need/
An xbox
Yes.
No. You will need to register and buy Xbox live.
No, you do not need the card; getting Xbox Live online works with it too. But, you do need Xbox Live for you to go online, if that's what you were wondering.
You will need to be live but I think you can be a silver member to do this.
yes you need xbox live to go into parties
you need to have xbox live