this is what i read so far,, on the "SE"
1. New “logical” Main Menu format, re-arranged “selections” to make browsing easier with one hand.
2. Now displays two separate screens, Smartfind and Digital – Learn and Edit screens now accessed through Main Menu.
3. New pin point –VCO type rising sound with improved volume on deeper targets.
4. New Iron Mask scale – now displays Ferrous range from 0 – 31 and AM = All Metal.
5. Fast turn on, quieter/faster turn off.
6. Audio 1, 2 & 3 are now Long, Smooth & Pitch Hold respectively. Pitch Hold similar to the BBS series of detectors.
7. Faster loading of User settings.
8. Factory preset Gain now set to 8 (used be 5)
9. Stabilized Threshold in high-trash environments.
10. New larger fonts.
11. New updated detection results on Fer and Cond in Pin Point mode.
12. Improved behavior of the Depth indicator during detection and pin pointing.
Hardware changes include:
13. New colour, style and appearance.
14. New thinner, lighter coil with better balance (weight reduction 60grms)
15. New front keypad decal
16. Current consumption reduced by 8% approx. prolonging battery life increasing run time by 1 – 2 hrs.