1. Cheap 5" Chinese SatNav from GoMallGo on eBay (2012)         
2. TomTom Go 730               
3. Garmin Nuvi 360 Deluxe

I love SatNavs.  I had a Garmin Etrex which I used in the Alps in
2003 followed by a Garmin Quest (2004), then my Garmin Nuvi
360 (2007), TomTom 730 (2011) and my 5" Chinese SatNav
from GoMallGo on eBay  (I suspect GoMallGo has been
renamed  tcromall ).  The pictures left show the same map
location to compare mapping.

My Garmin Quest was OK, it cost £300+, it was waterproof, had a
20 hour battery life, showed altitude, allowed routes with up to 50
waypoints  and recorded track logs.  On the downside the screen
was very small resulting in a poor view of the map.  But the main
issue was it did not give an audible warning of speed cameras
and locating Satellites was tediously slow.

In 2007 I upgraded to a Garmin Nuvi 360 which I used car and
bike for 4 years until the mini USB port became damaged
through over use.  It could play MP3's and interrupt them for
speed cameras and directions.  I use the superb  
ocketgpsworld speed camera downloads.  The Nuvi360 was
good but no track logs, no altitude and it was a constant struggle
to get voice warnings to work using 3rd party add-ons.  Garmin
are unique because you can load Garmin Mapsource software
on your PC which is great for route planning. Unfortunately I
found that Garmin maps always seem to be at least 2 years out
of date in the UK,  I upgraded the maps once which proved to be
a waste of money, I drove 85 miles to the office and in two places
my Garmin had me crossing fields where a new by pass had
long since been opened.

I bought a replacement TomTom Go730 in 2011 which used
TeleAtlas maps which I prefer (Garmin use NavTech maps), the
maps are more like a road atlas showing built-up areas, water
features, railways, parks etc.  The TomTom could also show
bye-ways and off-road tracks which is great for an adventure rider
who owns a Tiger.  The TomTom 730 could play MP3's and
interrupt them for speed cameras and directions.  On the
downside I found the TomTom harder to use than the Garmin,
some of the routes offered were poor (no wonder truck drivers
get stuck in tiny lanes)  and every time the software was updated
I seemed to have fewer features e.g. Why did my headphone
volume disappear.   TomTom 700 series are moody and need
resetting much more often than Garmin.  Trafficmaster did not
work 99% of the time.  After 12 months the battery life was
appalling, not even enough to stop for fuel at a petrol station.

I find it frustrating that TomTom and Garmin are removing all the
great features I like such as a Jack plug (for headphones), Car
units no longer offer MP3 players on their latest GPS devices.  
There are few customisation options, no track logs, no altitude
etc.  This is crazy when you think that a £23 GPS application for
my Android mobile can offer all these features and more.  

I had been looking for a SatNav with a larger screen and a
headphone socket.  In 2011 I went for the 5"  item on eBay for
£70 from GoMallGo (now £54 from tcromall ), it was a gamble
that paid off, at the time "Brilliant".  The SatNav comes with Nav
and Go's iGo9 Primo software which uses the same TeleAtlas
maps as TomTom. Primo is Hungarian and many users are
Czech or Russian which means that some of the websites are a
little challenging.  I was able to download all the maps I wanted.  
Primo software is full of features and it is very customisable. The
larger display is good.  The standard offering has so many
configuration options you really do need to be a bit of a geek to
make the most of it.  When you join the Primo  community sites
there are loads of options.  You can download "Skins" and
"Schemes" which transform the look and feel.  On a bike stick to
the standard skin which is simple and has large icons.  Go for a
Scheme with a white background similar to Garmin.  In the top
photo just look how good the mapping was in comparison to the
Nuvi and TomTom,  so much better.  On the downside the
screen is not as bright as a Garmin.  If you are not a SatNav geek
I recommend that you buy a standard mainstream GPS which
have since become larger and cheaper.  I shared the 5" SatNav
between the car and the Tiger.  I loved them.
TIP: Get a MediaDevil Matte protective film from Amazon to
reduce reflections, I buy one for an iPad and cut it to size to make
several smaller films for my GPS, Netbook, phone etc.

Apart from my early Etrex and Quest none of these SatNavs are
waterproof but there are ways round this for the ingenious
Adventure biker.  
Comparing the SatNavs that I have used over the years
Do Check out my Satnav Latest page
I made the GPS Sun Visors myself from 2mm plastic
sheet, bent over a wooden former with some help
from a blow torch.  All held on with thin strips of Velcro.
My first GPS a Garmin Etrex
bought in 2002. Just a
compass with an arrow
pointing to the destination.  It
also offered an accurate
Speedo and track logging.
Great fun.
My second GPS a Garmin
bought in 2004.  Cost
nearly £400 with color
screen and 256Mb of
memory which is a lot of
money until you remember  
the older Garmin Street Pilot
units had cost £1200 with
Black and White screens
and 8Mb of memory.
I had friends who owned
these units who would
spend 2 hours every evening
loading maps and creating
routes for the next day. How
times have changed
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