I dunno... I prefer the crosshair grille, the 4th-gen prices are far more affordable, and so that's where I went a month ago when I bought mine.
As far as the interior goodies? To be honest, I don't need any distractions while
I'm navigating roads like this on my twice-weekly commute into the office, so the bells and whistles are something that I need to keep to a minimum (which is why I like the uConnect 5 rigging instead of the bigger 8.1, let alone the really massive stuff coming out nowadays.)
Performance improvements? I'll take 'em, but I'm not going to drop $15-25k more than I paid on the one I have now to get 'em...
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I guess that eventually, maybe 5-6 years off, I'll get something nicer and newer, but for now, I'm doing just fine with what I got