i haven't compared them to the d3004s, but tweeters are mostly on-axis so i went with the RRs for extension.
rear fill is hard to get right so until i have time to play, i just leave it off. here's a couple other comments i made about it:
https://www.caraudiojunkies.com/show...ll=1#post54939
https://www.caraudiojunkies.com/show...ll=1#post54941