Nintendo Switch 2 pre-orders are now live in the U.S. After an unexpected delay from the initially announced date in early April, Nintendo's hotly anticipated new console is now available to pre-order at select retailers.Major retailers Walmart, Target and Best Buy opened the pre-order floodgates at midnight ET, and the demand was significant, with website crashes and "sold out" notifications quickly appearing at all three.If you're just joining the pre-order hunt now, you haven't missed out yet. GameStop has opted for an 11 a.m. ET drop. As Nintendo warned, demand is already exceeding the supply...