3-5mg Methoxetamine, 3-5mg MDPV and 20-30mg MDMA (administered simultaneously, rectally) has proven to be an excellent stimulating, empathetic combination for those social occasions where you don't want anyone to know you're intoxicated. It makes me stimulated and focused in a very calm manner and also improves the pleasures of social interaction. I've also added 1mg 2C-E to this combo twice and had the time of my life, it added a lot of empathy, mental "clarity" and appreciation for life.
Just so you have an idea of my sensitivity to said drugs, my dosages for each on their own would be...
-50-100mg MXE rectally (huge dose, don't take this as advice!!!) for a dissociative journey that ends with me waking up and wondering wtf I've done last night.
-5-10mg MDPV in the a.m. for focus and energy
-90mg (T+0) + 50mg (T+30min) MDMA rectally for the time of my life (I do this once every year or every other year, sometimes more than once within a year)
I would clearly advice against combining MXE at dissociating dosage levels with MDPV. I cannot tell you an specifics, since the pharmacology of either substance isn't entirely clear to me, but the combination sounds like it is asking for a slap in the face. I don't particularly enjoy MXE, eventhough I'm a huge Ketamine and PCP fan (especially the former, HUGE fan, but not a habitual user of either!), but I do like MDPV a lot and it has immense value to me. I'm saying this so you know I'm not just talking down to you and your ideas about combining the two.
I used to combine Ketamine with Amphetamine on rare occasions before I got into using stimulants for academic purposes. It proved to be a very curious combination that left me stimulated for more than 24h. Since Ketamine seems to have pretty impressive neuromodulatory effects I cannot exactly tell you how the ketamine facilitated the stimulating effects, but it did for me in a very reliable manner.
Now if you want to gain insights into psychosis, this combination will probably be the answer. MDPV reliably causes mania if I overdose it (good times

) and dissociatives in general seem to be quite efficient at promoting a psychosis of schizophrenic nature from what I hear. Just bear in mind you might not recover from the experience, if you've ever experienced lingering thought disorder after use of psychotropic drugs or have a schizotypal personality, stay far away from dissociatives.