B&W DS3's or CM1 S2's

Hi all,

I'm currently will be completing my 7.1 setup very soon. I have an all B&W home theatre setup(CM10S2's, CMC2 S2, CM6 S2- rears). My couch is approx. 25 inches from my back wall which also has a hole in the wall. My issue/dilemma is deciding whether I get the CM1 S2's and matching stands or get the DS3's and install them against on my back wall 2 feet above my ears. I watch movies 50 percent and listen to music 50 percent and have a small collection of DVD-A and SACD's I also like to listen too as well. 
Will the DS3's sound different if I use them for my CM series setup? What pair will be more noticeable in music and surround ? The DS3's or the CM1 S2's(cause they match the other speakers)?

Any suggestions, comments, related experience is welcomed to help me make an informed choice. 

2007audioman