Engadget writes, Ever since the bootloader of the Galaxy S III for Verizon Wireless was cracked wide open, there's much less of a clamor for the Developer Edition of the handset from Samsung. That said, the unsubsidized smartphone is now available to purchase -- for backorder, anyway -- directly from the manufacturer, which gives all owners the ability to easily unlock the phone's bootloader and thus delight in the world of custom ROMs. As of now, only the Pebble Blue variant is available, but purchasers may choose from the 16GB ($600) or 32GB ($650) versions. We still maintain that Verizon Wireless gave its...