Besides budjet.
What will you use it for??
You need to develop a list of requirements.
- Driving? with Verbal directions?
- Altimeter?
- Southern Hemisphere?
- Iphone application?
- Water depth and tide charts?
- Long Battery life?
- Solar Powered?
- WiFi to get map updates?
- Micro SD card to store and archive routes?
These guys have been in the GPS business for years, at least 15. They have a simple site,, full of good info.
http://gpsinformation.net/
Good Luck..
Let us know what you find..
