Which Should I get? 10 easy points first best answer!?

http://www.walmart.com/catalog/product.do?product_id=8006902

OR

http://www.t-mobile.com/shop/Phones/Detail.aspx?class=prepaid&device=723b0fa3-9110-4a13-844a-d78bcb152597

or

http://www.virginmobileusa.com/phones/phoneDetail.do?skuId=VMM100

Thanks ill give u 10 points if u answered