Rider V Garmin
I bought a Rider (when it was £600) and initially thought it was pretty good - but - soon discovered that the Bluetooth dongle was a crap way of getting the audio out. No way to power it from bike (it turns off when a charger is plugged in) and has limited battery life. No decent PC software so the only way I could route plan was use Autoroute and fiddle the output file.
Then hit the classic `it won't charge' problem and became worried about it falling off the crap bracket. Tomtom obviously realise the bracket is crap as they are now offering a free security lanyard. Ordered mine weeks ago and haven't got it yet - but the pic looks like a bit of string to tie on the bike!!
Eventually it was relegated to wife's car and bought a Garmin 2720 and fitted it to the bike using a RAM mount (a bit industrial but SOLID) and a Touratech lockable gps mount so I can stop for fuel without having to take it off the bike. This is the unit I should have bought in the first place. Easy to use, good standard 3.5 mm plug audio output, nice screen, great PC software, much easier multiple waypoint route planning, auto night colours, auto brightness and most important - in a direct comparision it comes up with better routes than the Rider. Also it doesn't go into that damned safe mode when moving or has lost sat coverage.
On the surface it costs a bit more than the Rider but the price includes full PC software (anyone tried the TomTom shareware rubbish), full European mapping and a selection of car mounts so the difference is not that great.
Mine has been used for a multi-country trip around Europe, all planned on pc, and it was brilliant.
Downsides.Only one, there is no internal battery. A minor problem but it could have been useful walking around strange towns.