I'm also having a problem with my wishlist. The items that were on it seem to have gone and when I go to add them again I get e.g.
- Hell Dorado - Gilles de Rais has been added to your wishlist. Click here to continue shopping
You have no items in your wishlist.
Just picked a couple of other things at random:
appeared in the wishlist ok, but
Once I've got at least one thing showing in the list I can click on 'Add All to Cart' and everything I've added to the wishlist previously goes into the cart, even the ones that aren't showing up on the wishlist any more.