Origin B2
Price: £429.95 Free period: Six months Annual subscription: £50
Plug and play is all the rage with sat-nav and camera warning devices, but this took half an hour to fit, which counts against it.
The B2 had a separate antenna - but Origin also offers a model with an integrated aerial, the B2 Solo, which would be a better choice. Behind the wheel the B2 worked well, counting down to sites and giving your speed and the limit.
The slot-in screen was easy to use, if a bit hard to see in certain lights. The high price did it no favours, either.
