B&H Photo Video offers preorders of the new Apple iMac Intel Coffee Lake Core i3 3.6GHz 21.5" All-in-One Desktop with Retina 4K Display for $1,099 with free shipping. (Amazon matches this price.) That's the best price we could find by $200. Features include:
  • Intel Coffee Lake Core i3 3.6GHz quad-core processor
  • 21.5" 4096x2304 IPS display
  • 8GB RAM, 1TB hard drive
  • 802.11ac wireless, Bluetooth 4.2
  • AMD Radeon Pro 555X 2GB graphics
  • macOS
Note: It's scheduled for release on March 26.

Update: The price has increased at B&H Photo Video; however, Amazon still offers it for the same price.