Garmin i3 GPS system is just £99 delivered from CarphoneWarehouse.com
Edit: Back in stock now !!!!
Go through Quidco for 10% cashback.
Description : The Street Pilot I3 is the colour version in the I-series Street Pilots -a new line of small, inexpensive automotive GPS navigators that make driving fun. It's no larger than a baseball and affordably priced. The I3 provides voice-prompted, turn-by-turn directions through a built-in speaker, and the unit easily moves from vehicle to vehicle with an integrated suction cup mount. The I-series automatically puts you back on track if you miss a turn.
Features : Colour screen | Convenient click-to-enter scroll wheel | No larger than a baseball | Offers a three dimensional mapping perspective, or 2-D overhead view | Voice guided directions