Hi

I am new to this forum and in need of assistance in setting up extra surround speakers.
I have at present the following:(5:1)
Marantz SR 7009
Oppo 103 Blue ray / CD player
Main Speakers 2 x B&W 684
Surround 2 x Athena AS - F1 speakers with matching centre & woofer speakers.

I want to upgrade to 7:1.

The extra surround speakers I am looking at are B&W 686 S2 or the Wharfedale Diamond 220. Any other suggestions or comments would be great.

Thanks