The Accuratus 540 from Ceratech has an A4 footprint and an in-built touch pad for those applications where space is limited such as rack server draws.A big winner with major retail stores this beautifully constructed keyboard offers all the facilities of a grown up board but with some of the fat remove.Though smaller than a standard keyboard the 540 is still very tough using reliable membrane technology and laser etched keys which ensures the characters remain fresh throughout the products life.Small tough & reliable Its got to be the 540