. hi i need help. i got jbl css11 subwoofer, definitive technology promonitor 800 Satellite Speakers , definitive technology promonitor 1000 center chanel speaker and onkyo tx-sr507 5.1 reciver i need to upgrade the reciver . So ineed help with that , which one harman kardon AVR 1700 , Denon AVR-X1000 , Onkyo TX-NR509 . 60% movies 40% music