Just received CR's 2015 Annual Auto Issue and was amazed at their cynical review of 2103, 2014 XTS yet CTS received somewhat favorable reviews. I would imagine a lot of components on CTS and XTS are the same.This puzzles me, and once again they bash CUE yet the Cue System on Chevrolet Impala gets a good review. I'm wondering if CUE on Chevy and Cadillac are one in the same. My 2013 XTS CUE is difficult and I am hoping that Cadillac will create an upgrade soon. Does anyone have any info on an impending CUE upgrade??