This is what I would say:
I like MXP. It is fine and works for me. But the feel on Tenergy is better. And T05 still gets more spin than anything else I can think of. MXP is very close and more than close enough for me.
Here is how I would break things down.
Tenergy's sponge is better than anything else I have felt.
Tenergy's topsheet is okay. Perhaps it could be better. But the rubber, as it is, is still really, better than everything else out there for that kind of rubber.
Tenergy still lasts longer than anything else.
Tenergy does not rely on factory tuning for its performance which is probably why you see a high level of performance for such a long time compared to MXP.
MXP performs just about as well as Tenergy in many areas.
It is faster than T05. But not as spinny.
It has a lower throw angle than T05. This, I think is neutral and whether you like that or not depends on whether you like high or low arc.
Here is the major downside to MXP. The boost effect wears off fairly quickly and then the rubber performs differently.
As far as I am concerned, that is not really a problem. I like the way MXP plays after the boost effect has worn off. But after the boost effect has worn off, it is no longer faster than T05.
To me the main downside to MXP is that the sponge has a weird characteristic that mutes your feeling of the ball. I am fine with it. It took a little while to get used to. Once I got used to it, it did not matter to me. But, I would still have to rate Tenergy a little better because of how good the Tenergy sponge is.
However, I am not going to use Tenergy because of the price. For me, MXP is worth it, because of the very small downsides are not important to me. And the price point is much better for me.
However, I would say, if money is not an issue, then T05, simply comparing rubber to rubber, is just slightly better in most ways than MXP.
Still, MXP is awesome and as close as I have seen to T05 up till now.