Dal Forno makes the most prestigeous Amarone but they are well out of your price range. In the $40-70 range you have many options. Allegrini makes an excellent wine. I am fond of Masi's single vinyard Amarone's (Manzano, Campolongo di Torbe, and Viao Armaron).
Tell us what is available in your area and someone will be able to help.