B&H has the Manfrotto 502HD Pro Video Head for $124.99 (reg. $199.99) after mail-in rebate through February 28, 2015. This 502HD has a flat base with a 3/8″ connection for use on standard photo tripods, rather than the bowl or half-bowl base more common on dedicated video tripods. Check it out here at B&H Photo.
Note: This is likely a gray market item; however, the seller says that it provides a 1-year warranty in the listing. ebay seller ThePixelHub has a 99% positive feedback rating at the time of this post.