As one of their daily deals, Staples is offering $100 off the 4th generation iPad with Retina display. The 16GB WiFi model starts at just $399 with free shipping. That’s the same price Apple is charging for the two and half year old iPad 2. The 4th generation iPad features a Lightning connector, A6X chip, and beautiful 9.7″ Retina display. Also available in 32Gb for $499. Deal ends tonight.