I have a 2012 S, 2013 DS and now a 2016 DSR. The amount of change in power and components is similar for each jump. I expected the power increase with the DSR but was pleasantly surprised the ride quality was much better. The suspension improved the most, the stock tires are a big improvement but may not be quite as good for commuting as the Michelin Pilot Road 4 Trails I put on the 2013 DS but will be better off-road. Even the brakes seem a little better. I hope the ABS helps prevent a future fall so should be worthwhile. I love the all black but my wife hates it and is buying me new hi-vis yellow gear.
I hope to move the windshield, heated seat, top box, side cases, J1772, aux 12V, LEDs and running lights for my 2013 DS to the DSR. I know some of the parts wont fit but most should. The 2013 DS is on its way back to Zero for a new battery (in the same crate the DSR came in) with some of the accessories still on it.
Overall I'm very pleased with the new DSR and hear in San Diego I can ride it all year long.