I don't know about this one, the colours used with the lighting is amazing, and just easy to look at, nothing on this piece hurts the eyes. You really are a C4D whore like you said lol, but you use them really nicely, better then anyone else i see on this forum. The perspective on this piece is nice, but it's lacking depth a lot, but with the perspective that your piece is in it's impossible to achieve great depth. I suggest trying to make it look 3Dish, just by manipulating the renders perspective settings you could possibly achieve that. The only other thing is the text isn't clearly visible, but meh, it's not the worst.
Overall it's a nice piece, the colours used matched with lighting is a really nice blend.