I was looking for a new washer this holiday weekend and found the WM3900HWA for $798 at Home Depot. I added it to cart it and seems to have added a 5% promo code automatically bringing the price to $758. I've checked and it works for other LG models too.
I noticed there is a current promo for 5% off if you bundle with another item but I seemed to have gotten the 5% with just the washer so YMMV.
Also if you're in TX, there is currently no sales tax on energy star appliances.