Best Buy is now offering a substantial discount on the iPad 2 ahead of the expected announcement of the next-generation model. A brief check of the retailer’s website shows that all models of iPad 2—including white and black models of all capacities, and Wi-Fi as well as Wi-Fi + 3G—are $50 off their standard retail price, with prices now starting at $450 and ranging up to $780. Apple is widely expected to announce its next-generation…
