Dealers, gallery owners, collectors and plain art lovers ( like you and me) all have a date once more with the latest art trends at ARCHITECTURE WEEK and ESTAMPA in October. And the other fairs that have sprung up around it .For this edition, tha fair is unveiling a new look, making it easier to appreciate. At this time of year Madrid welcomes a host of visitors from all parts of the world who are interested in new forms of expression. And they want to make the most of their stay. For them and for everyone else check my list…