Hi-end two way

I would like to build a hi-end two way loudspeaker with a mid-woofer 6-8” in size, what driver would you suggest? I know this is the most boring speaker size in the world, but it is the most efficient size, in sound quality that is!

i want great bass and a fantastic midrange of course, and this is for a small room!
Congrats! Your speaker looks great. Plus it must sound awesome with fantastic midrange.