Apple and Verizon Wireless are now accepting pre-orders for the CDMA iPhone 4 online. While Verizon is offering to ship the orders to customers, users ordering through Apple’s Online Store have the choice between shipment or reservation for in-store pickup. Notably, Apple is already citing a shipment date of “by February 18,” indicating that it may have already sold through its entire early allotment of units set aside for online…