Thanks for your personal empircal revelations.
I'm sure you know Bupropion doesn't affect seratonin, its a dopamine re-uptake inhibitor.
As someone who also doesn't seem to respond much to seratonin related meds, Burproprion worked somewhat but I suffer from increased insomnia as a side effect. I actually respond better to things mostly affecting GABA and NMDA rather than the 'classic' anti-depressents.
That said I was trialled on methylphenidate and all it did was make me procrastinate waaaay faster, so personally I'm avoiding any stimulants stronger than caffeine.