Summary: Not worth the money I bought this before I knew that Pioneer only put out one map update in 08. Outdated maps antiquates this item. It is slow to initialize and difficult to operate. The instructions are not very good. This model has to have the sd disc installed for navigation to work and if you are not careful you could easily erase the map from the disc. The S1 is a better model.
Excerpt: "We wanted a Sat Nav system that would cover the whole of the UK and Western Europe (all roads), and was portable so it could be used in all our cars. This unit fits the bill exactly, and was also very good value for money! We invested in a few extra power cables and have had them 'hard-wired' into the ignition (instead of using the cigar lighter/power socket) which makes the installed unit much neater with no cables visible. The unit is very easy ...
Pros: Cost, Portability, Ease of Use
Cons: Annoying voice, postcode search a bit primitive