The DWS780 integrates Dewalt's XPS Shadow Light technology. That's the difference. Before, you had the option to upgrade the DWS779 with the DEWALT DWS7085 XPS light kit, but it's been discontinued alongside the DWS779. The new DWS780 is the model to get --- or is it? We show you the competition 🐷. … [Read more...] about DeWALT DWS779 vs DWS780 Miter Saw | What Are the Differences?