Hey Hoodlum007 you sound like you have heard these before in person.
Have you ever heard the Hybrid Audio Unitys? I got these off my HU amp and have them amped by my JL XD700/5 now. They are freakin awesome. I had to pull over and check if my sub was even working still... haha I was blown away.
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My question is... what do you think if I put those Image Dynamics components as my rears. I'd have to custom mount the tweeters.. whatever.. no problem...
My instinct is telling me not worth it, but maybe you might have some pros/cons for me.