Rate my pending purchases!

What do you think of these purchases? Going for a 5.1.4 system.

Receiver: https://www.visions.ca/product-detail/71186/denon_x_series_9_4_ch_8k_home_theatre_receiver?categoryId=143&sku=AVRX3800H

Fronts: https://www.2001audiovideo.com/products/view/kef-floorstanding-speaker-each-kf-q750-LB

https://www.2001audiovideo.com/products/view/kef-centre-channel-speaker-each-kf-q650c-lb

Subwoofer: https://www.amazon.ca/SVS-SB-1000-Sealed-Subwoofer-Black/dp/B08X51FVZS

Surrounds: TBD

Ceilings: https://www.visions.ca/product-detail/31702/kef_6_5_in_ceiling_speaker_with_ultra_thin_bezel_pair?categoryId=155&sku=CI160ER