Not as cheap as some past deals but this the best price available currently.
Rachio - 16-zone 2nd Generation Smart Sprinkler Controller - White - $179.99 + tax w/ My Best Buy membership. Shipping is free.
Adjust your sprinkler system from anywhere with the Rachio smart sprinkler controller. This controller lets you monitor and manage your sprinkler activity from any Android or iOS device or laptop. Adjustments are automatically made based on local weather and the season. Get constant updates that help save water with the Rachio smart sprinkler controller.