I bought some from Disney this summer. I shamelessly flipped them, as I needed to pay for a Legacy lightsaber... They had loads in the Tatooine Traders store in Hollywood Studios and the Star Wars stores in Disney Springs. They worked out at £75 ea. Didn't see the ROTJ ones though.
Shame it's so hard to find current figures over here- don't get the marketing, but Kenner/Hasbro have been doing this since the 90's with various waves of POTF2 taking ages to make it over here and only having the same old figures available, when the US was getting loads of new ones. Then, as a result, figures sat on the shelves unsold, so they thought SW wasn't selling. I worked in a toy shop for a while at this time and remember literally having loads of Luke, LXW and Luke Dagobah. That's all we had for months and we kept asking for the new waves of figures and they just kept offering loads of Lukes. Eventually, we got a couple of cases with Gammy Guard etc in and they sold out instantly. So frustrating!