I am now on my 3rd Excelon deck. There have been a couple of issues with them over the years, but nothing too serious. The SQ out of them is great, they have a full set of toys to play with, and Kenwood backs them up with good warranty service....at least around the GTA they do.....
If you want to check them out,
this link has all the details......
Like most brands, the more you spend the more toys you get......