Monitor Audio Silver 8, opinions please ?

I love my monitor audio silver 8's although I'm not impressed with silver center , sounds flat compared to the towers . Curious to see how the fx rears sound , still using some kef speakers for surrounds . What are you using to drive them 

With the centre I had to up the output on the amp to quiet a high level. But can see where you are coming from.  
Las for the rears Fx range. I love them, a massive upgrade from what I went to. They have a switch on the back where you can change the phase on them to suit 7.1 or 5.1. Sound for movies is very impressive. 
I have a Onkyo TX-NR838. I am currently using this amp to listen to all my vinyl through also. 

I just upgraded to the Silver 8's, which I love the sound of.  I was using the Silver 2's as surrounds.  Because of a problem with one of them, I decided to use the other as a temporary center speaker.  Was I surprised how easily and naturally it blended in.  The sound is just amazingly good.  I had come into the Gold reference LCR, which was the intended center speaker, but it arrived after I had made the change.  I have another MA system in another listening room, so I placed the gold in that room as a center, and used the silver 1's as the main speakers in that room.  I am not sure if I will change this set up when the other 2 is repaired.  My main system is as follows; Silver 8's as mains, Silver 2 as center, W12 as sub and Dali Zensor 3's as surrounds.  Receiver is Denon AVR X3000.  I just got the Onkyo TX RZ900 to replace the Denon, but won't switch until the 2 is repaired. I am sure I won't get the silver centre now.  Any other  thoughts out there?