Adoramacamera via eBay.com has a great deal on refurbished Nikon D3100.
Refurbished Nikon D3100 w/ 18-55mm lens – $299.00 – at AdoramaCamera via eBay.com
This is lowest price for refurbished Nikon D3100, you can also get 90 Day Manufacturer USA Warranty from Nikon.