I'm redoing my dedicated theater room.  As with many rooms, it does have its challenges.  I currently have a traditional MT style bookshelf speaker suspended from the ceiling.
https://photos.app.goo.gl/KArLWFzGXuzJ8b7z5
Problem is only one speaker can be wall mounted in the correct location.  The other three correct locations are in front of windows.  I was looking to upgrade my 7.2.4 setup with an Arendal 1723 setup.  They have a dipole surround 
https://arendalsound.com/product/1723-surround-thx/ and a tradition MT bookshelf 
https://arendalsound.com/product/1723-bookshelf-s-thx/.  My understanding is dipoles need to be against walls to perform well.  FYI the treadmill in the photos is being sold so it won't be there.  So I figure I have the following options.
1.  Hang the bookshelf at the correct height and location just like my current setup.  
https://photos.app.goo.gl/kqteEe7bTnL93Vh76  https://photos.app.goo.gl/2UCXf5MGJg7dFznt7
2.  Wall mount the dipoles at the correct height,  but not the ideal horizontal position.  
https://photos.app.goo.gl/aE9Vv57JB49KRXzP9  https://photos.app.goo.gl/DiSdLcrpsbbFAp6U8
3.  Ceiling mount the dipoles down firing
4.  Ceiling mount the bookshelf using speaker mounts to aim at the listening area
What would you do?