When it comes to drapery and curtains follow your heart, chose fabrics that speak to you. Right now the most popular fabrics are ones with geometric mid century modern prints. If you know Kelly Wearstler, http://www.kellywearstler.com you will know what I am talking about. She is a huge influence in the design world and our clients are eating it up as we are too.
The fabric has to speak to you. Once you find a fabric you like it will make you happy and it should feed your soul!