Standing opposite HTC's One X, the Galaxy S III is one of this year's most hotly anticipated devices. If you're overly eager to get in on the pre-order action, Amazon has pre-orders available from several retailers. It's worth noting that the "Featured Merchants" among them include names like TechnoTradingHouse.com or BLUTEKUSA. Relatively unknowns, but they've all popped up in very close succession.
It's worth noting that Amazon has a policy of not collecting payments on pre-orders until the item has shipped.