Function wise the XG-11 and 14 offer way more,but I have only been flying them a couple of years, so they are yet to be DSX-12 bullet proof. My store sold more DSX-12 radios than any other UK store and I had zero returns in 6 years of selling them-that's a big deal...
The new models like the Skymaster F-14 this radio is going to be great.