The sale on these units was already , but I wanted to get this info out there asap. Some of us have discovered that if you set your store to Connecticut, the prices are cut by an additional $400!
Home Depot has a couple Rheem Performance Platinum Hybrid Electric High Efficiency Water Heaters on sale listed below from $599. Store pickup is free (CT only), otherwise delivery to home starts at $55. Thanks GordonRR1 for the OP, and thanks mtesni for the CT pricing.
50-Gallon Rheem Performance Platinum Hybrid Electric High Efficiency Water Heater $599 (pictured)
80-Gallon Rheem Performance Platinum Hybrid Electric High Efficiency Water Heater $1198