The Rachio Smart Sprinkler Controller, 8 and 16 Zone 2nd Generation is available on Amazon/Best Buy/Home Depot with a $50 GC. Home Depot shows the promotion ends on May 29, 2017.
https://www.amazon.com/Rachio-Sprinkler-Controller-Generation-Amazon/dp/B01N78OJHU/ref=sr_1_1?s=lawn-garden&ie=UTF8&qid=1495303335&sr=1-1&keywords=rachio&th=1
https://www.amazon.com/dp/B01N0HB9XQ/ref=twister_B01E8FHZ50?_encoding=UTF8&psc=1
Home Depot 8 and 16-Zone 2nd Generation Smart Sprinkler Controller + $50 Gift Card Bundle
Best Buy 8 and 16 zone 2nd Generation Smart Sprinkler Controller - White w/ $50 GC