What is the difference between the hd-62 and the ef-61 6.5 component sets besides the obvious frame size and RMS difference. Is there much SQ difference because the ef-61 for 200 and the hd-62 for 400? Which one would you suggest or the most for the money? Or any other suggestions. Will be going in a 2000 celica with eclipse 8454. Thanks for the help.