DEX is most definitely better for me than MPH (IR or/and XR).
The mood swings on MPH became manic, and the lows, ugh...

The list of negatives of MPH for me is too long to write here. (and I need a break, been typing for a few hours, lol)

I always was confused how the hell they can prescribe MPH to kids! (or any stimulant without trying other behaviour things first). I've had so many experiences with angry/rageful/emotional people in school on MPH growing up, and have seen so many end of day crashes with kids with ADHD on youtube/parents of on forums.

I'm looking into mood stablisers at current though, may be getting a Bipolar/Cyclothymia dx soon. I had the thought that many people with ADHD (especially those with late dx) should read up about and ask about mood stablisers if not antidepressants.