I decided to give www.greentoe.com
a shot, and made a bid on the Sony 65" A1E. They didn't accept my offer ($2500) but I got a counter-offer for $2699, including tax and shipping.
That's $200 cheaper than the Massdrop deal, and $50 to $100 cheaper than any other deals I've seen here on this set. But let me know if my search skills are lacking.
Please be gentle. I haven't posted a lot of deals here, so I'm probably making all kinds of newb mistakes. And I know there has been frustration with Greentoe based on some previous posts that looked suspiciously like self-promotion. But I got a good deal, and figured others might be able to benefit.
Unfortunately, the rules of Greentoe prohibit me from saying who the retailer was who is fulfilling this purchase. I will say, though, that it is a company that is often mentioned here for good deals and for providing good customer service. I've bought from that retailer a number of times, and had nothing but positive experiences.