Originally Posted by WRX/Z28
The problem with rear deck speakers is that it pulls your ear rearward. Think of it this way, if you went to a concert, do you face the performer? or the back wall? How many times do you see huge speakers behind you? none. Go with the best you can afford up front, and don't spend more than $100 on co-ax's for the rear.
Actually, I have been to shows where there were speakers placed behind the audience. Namely Pink Floyd shows in surround
But I agree with the no rear fill stance many here have taken.