I find with the road construction in my area, the updates are worth it for the new road configurations.
As for the pois, Garmin still has businesses that have been closed for 5 years in the latest map update. Based on the price I decided it was time to get lifetime updates.
We've collected dozens of tips and tricks designed to save you time and money when mapping with your Garmin nüvi 750.
Browse Garmin nüvi 750 tips by category: Garmin Data Upload and Download, Map Making, Adding Waypoints and POIs, Tracklog Tricks, Coordinate Conversion, Google Earth and KML, Arc GIS and Shapefiles, Auto CAD DXF, Creating a Custom Garmin Basemap, Geotagging your Photos, Downloading updates for your Garmin nüvi 750 Download a fully-featured trial of Expert GPS, or buy your copy today.
They can then download as much data as possible onto their GPS (leaving some room for GPS data collection out in the field).
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From there you can see if a new map is available for your device and can download and install it from there.
Have your device connected to your PC when you go to this site for best results. You will be able to get every update as they come out.