I was shocked at the lack of a new edition of Halloween this year...
I have no idea what is going on at Play - the £5.99 prices were their idea yet they never have any stock. I'd point out that Amazon seem to be price-matching them on all such titles and they do have stock so seem like a far safer bet for now.
You can imagine how maddening it is for us when people can't get hold of our DVDs!