Despite some of the previous reviews, I decided to take the plunge and purchase a Satmap GPS.
Two reasons made me take this decision.
1) I was keen on using GPS with a built in OS map as it somewhat removes the need for route planning in advance
2) I am not keen on touch screen especially outdoors and with gloves.
So following the purchase and some initial handling and getting used to the menu structure etc the unit was put to the test in severe weather conditions and in mountainous terrain. What were the result ?
Battery life from the rechargeable pack was excellent, despite a day in the mountains there was only a slight drop in the power indicator. Satellite fix was quick and maintained throughout. Display was clear with good back light, and the tracking was positive to the OS paths. The compass was checked and was accurate as was the built in way point direction indicator. The trip data was clear and accurate when matched data from pre trip planning data. The ability to plan a route whilst out was a real bonus as worsening weather conditions lead to a route change half way.
It is a real confidence builder to see exactly where you are on the OS map
Lastly I managed to drop the unit 80ft down a crag and to my amazement, on recovery, the thing fired up again, fixed on satellites within seconds and promptly showed the route forward. I and others were well impressed.
Apart from this one instance the unit did not crash during the trip and you could hardly blame it for turning itself off after a fall like that.
All in all a great "button operated", OS mapping, GPS.
Over one year on and I am still delighted with this unit. Several software upgrades have taken place during the year, with a result that many additional features now exist. UK Company with UK Support is refreshing. Highly recommended