The choices look to be expanding. Some I never knew existed, like Mahindra and Gravely. Exmark looks suspiciously like an Arctic Cat. Will probably stick with Polaris for a while.
http://beefmagazine.com/beef-industry-products/21-atv-utv-and-side-side-units-2015#slide-0-field_images-87981
http://beefmagazine.com/beef-industry-products/21-atv-utv-and-side-side-units-2015#slide-0-field_images-87981