One of the great features of the Arduino platform is the ability to receive or generate incoming data, and use that to control various outputs. With that knowledge and a little imagination you can come up with all sorts of fun output devices, including the following "steampunk" example by Costa Yannakis.
His system uses a mixture of contemporary and older devices - such as an Arduino-controlled servo to move a classic dial, along with lasers and an LCD. This would be a great display device for an interesting clock, weather station and more.
Looking for a rapid-use LCD for your Arduino or compatible development boards such as the example above? Save time and move forward with the Freetronics LCD & Keypad shield which contains a bright 16x2 character LCD and five buttons that can be read from only one analogue input pin: