Garmin Nuvi 255WT Widescreen Satnav with Full EU maps and free traffic updates for life (which some models don't have included). Amazon has it for £129.99 (Deal of the Week) with most other retailers charging at least £150.
-Sleek, ultra-slim design fits easily in pocket
-Easy-to-use, touchscreen interface
-Turn-by-turn directions with voice guidance
-Bright 4.3" diagonal colour display