Personally, I like the blue & gray - I'm not a huge fan of red or orange.

I like the red and orange one because the colors are warmer.

I like the blue and gray because it is a bolder print.

This blue and gray one...

http://www.bedbathandbeyond.com/store/product/anthology-trade-jolie-reversible-comforter-set-in-blue/212240?categoryId=12498

Or this red and orange one...

http://www.bedbathandbeyond.com/store/product/anthology-trade-melody-reversible-comforter-set/211749?categoryId=12498