Samsung are offering the Verizon Galaxy Nexus with a free extended battery, and the handset is available for $299.99 when you sign up to a new contract with Verizon Wireless.
The extended battery is available when you buy the Galaxy Nexus on Verizon from Samsung Direct, although you may be able to find the handset cheaper elsewhere.
As a reminder the Galaxy Nexus on Verizon is LTE compatible and it features a 4.65 inch Super AMOLED display with a resolution of 1280 x 720 pixels, a dual core processor and a 5 megapixel camera.