Battlefield Play4Free has two major draws. Putting aside the "not costing anything" bit, this trailer does its best to demonstrate the other reason you should be keen.
Astoundingly, it's that it's Battlefield, with all the lauded gameplay that name conjures up. Check out the Oman map in the trailer below, courtesy of That Video Game Blog.
Battlefield Play4Free is a freemium title built on the Battlefield 2 engine, and will go into open beta in April.