I got them Tenores today. I think I found my phones for a while, they are outstanding. Exactly what I wanted, and for the people who are afraid, this things have enough bass lol. I don't know how the Basso's are, but they must be pretty heavy on bass.
Tenore's are above vsd1s at least one tier in my opinion out of the box, maybe even more. The treble is much more extended and refined, the bass goes lower and that 3d soundstage is awesome. I found that for me they sound even better with single flange meelec M6 medium tips, they isolate better and the bass is even stronger. I get an perfect seal with them. They get inside my ear totally, I think I can sleep on a side with no problems.
This should be hyped more, for 70$ shipped with white rabbit I'm absolutely pleased and spoiled by high quality sound.