One problem is this plan of microsoft's to slowly release new systems to keep the prices and demand high.... Not really making me want to give them my money

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I am also still having a problem with finding out exactly what version the available system is. The "core" or regular? I don't want to pay a ton of money for the weak system, and I think a lot of misinformed gamers will if they are not careful! I tried to figure it out on these auction websites like Limbo and Ebay, and they are not clear at all.....
