Whenever you decorate your home, you want to create something that will appeal in 3, 5 or even 10 years down the line, and not something that you will be bored of after a few months of making the changes.
You should always weigh up the value of going for quick trendy new designs, or something that has a lasting look and feel to it. Think of it like buying an expensive new Larouv watch. You want something that will give you years of quality and satisfaction, rather than something the looks tired and ‘past-it’ after a short while.
To get some ideas on how to design your home, just have a look through some of the sites available (such as M-Wall) to get some different options. You should be able to quickly see some things that you like and feel will be able to give you years of satisfaction