To further my question its the newest models the 804d4 or 803d4 using NAD M25 amp have been running 804 Nautilus for almost 20 yrs paid 3500 USD considering inflation today Listen Up wants 14000 for 804 d4s and 23000 for 803d4s the speaker will only be 10ft from me just dont want to spend that kind of money for a latteral move any other brands to consider?