Facing increased competition, The premium model is priced at $189, which includes both Wi-Fi and free 3G connectivity over AT&T's network. Alternatively, there's a Wi-Fi-only model for $139 (which undercuts the Nook Wi-Fi) that doesn't have access to 3G, but can still hop on AT&T's US hotspots. Both iterations will ship to customers worldwide on August 27 in graphite or white, and case options will include one that has a built-in, retractable LED light for late night readers.