I tried 1.5 mg of this on Friday, on blotters I got as a free sample, at a techno rave. The 'body-load' consisted of a stiff neck and jaw, which persisted until midway through the comedown, but little else. It was intensely euphoric after a perfectly comfortable come up (1 hour onset) and music was extremely enjoyable.
The setting was a mass of head-turning and eternally vigilant marching skinheads on coke, speed, GBL and poppers, few of whom seemed to care about the music, and plenty of whom were up for a brawl. This wouldn't have been a big deal sober either, but the DOC did nothing to exacerbate whatever minor discomfort was present, and instead I had a beautiful time melting to and feeling sorry for a couple of the other acts (almost regrettably so), one of whom looked awfully gaunt and crooked. Jaw tightness was ever present, but strong stimulation only transiently so, and I felt uncharacteristically physically tired by the end of the event. That soon passed though, and we were supremely comfortable drinking beers and laughing in the cold as the sun rose. This was the fabled DOC plateau, I suppose, and it lasted all day. I slept at T+18 (6 pm), and felt fresh and content the next morning.
All in all, this was great stuff! I got some visual enhancement at the peak, with a hint of movement with concentration, but nothing very present. It always felt very unthreatening though. Would do again, perhaps at 2 mg.