i am thinking about getting 1 or 2 of these mascara. which one do u think i should get? i can't decide. please help!!

http://www.maybelline.com/Product/Eye/Mascara/define-a-lash-volumizing-washable.htm

http://www.covergirl.com/products/product.jsp?productId=prof_super_thick_mascara

http://www.covergirl.com/products/product.jsp?productId=lashblast_waterproof_mascara

http://www.covergirl.com/products/product.jsp?productId=volumeexact_mascara