Here's a deal for the OLED55E7P from an authorized retailer with free shipping and no tax. Looks like the best price right now on another thread is for $1699 and Amazon is selling it for $2500.
If you go through Greentoe, they will accept your offer for $1649.
When I bought my 65", it was 2 day shipping and I got citi price rewind to refund me another $500. Good luck, let me know if you have any questions!