We should reject hard-to-drive speakers more often

A good way to make any given loudspeaker an easier load is to remove the low frequencies from both it and the power amp driving them. Yes, a separate woofer/subwoofer for 80 or 100Hz down. Most of the power demands of many loudspeakers is used to reproduce low frequencies. Remove them from the loudspeaker and power amp and both will be happier, and sound better.  

I just want a loudspeaker that creates resonances within my abdominal cavity and may crack a window if not careful.. 

But I cannot afford most of those that cost what amounts to a decent down payment on a piece of property or a house.

There are just those days, and just those tracks, where I want to FEEL the music much more than I care about hearing.. fine detail that is.  ;-)

preamp active  crossover to powered subs and biamp loudspeakers, with some eq room and mood correction.. now to just not blow up the speakers I do have..

What does it matter how efficient a speaker is as long as it sounds good? 

This is a bit ridiculous and I assume clic bait. Get what you like and enjoy the music. It does not have to be complicated. Hard to drive speakers require more power, more current. There are high quality amps that can do this???