Apple (AAPL -0.5%) roundup: 1) Susquehanna has cut estimates, and is lowering its PT to $440 from $480. The firm says production checks point to a greater mix of less costly iPhones. Oppenheimer recently drew a similar conclusion from sales checks. 2) The WSJ reports iTunes Radio will pay music labels $0.01/song more than Pandora (NYSE:P) this year and next (previous), and that Apple's publisher royalties are more than twice as high. But Apple won't have to pay for songs already in a user's iTunes library, or part of an album he/she owns a part of 3) A new patent application indicates Apple wants iTunes Radio to eventually have more advanced playlist customization and music discovery options.