Oh my god, you DID read the whole thread. Ha!
Actually, I first got the Purpleheart, not the Mahogany, which I quickly sold for the Ebony as they were not for me. The PH were way too V-shaped. Too much bass and treble and the mids too recessed. The EB are my idea of a EDM lover's delight. Still mid-scooped, but silky smooth and with enough mid-presence to play nicely with a variety of recordings and genres. Supposedly the Mahogany and Ebony are siblings in terms of tuning, one being a slightly refined version of the other. But I don't know what the MH bring to the party that the EB don't that you might find one preferable over the other. Tuning is often the most personal aspect of this hobby. It's not often about which one is "better" or not. It's about your ears, your music taste and why you get into this hobby. I don't have any need for completely flat or accurate tuning. I have a pair of studio monitors for that. I am obsessed with my Teaks because they draw me into the music I love, making me appreciate it more.
Speaking of personal, the Teak's tuning is ideal for rock, pop, folk, metal, or any guitar based genres. They are gently U-shaped, with a relatively neutral response in the mids. The sound is still bass forward on the Teak (as it is with every Fostex variant it seems), almost rivaling the EB in terms of sub-bass supremacy. The mid bass to treble response are flat-ish with only a hint of a dip. This is what personally won me over with this variant, as I'm annoyingly treble sensitive. Only the very top end of the treble gets a small boost, which is pretty much how Tyll put it in his review. The guy knows his game.