what area are you in?
i havent heard of purple HH's but there seemed to be a bunch of greens going around this past month, which were tested positive for MDMA, Methamphetamine and Caffiene. http://www.ecstasydata.org/view.php?id=2305
Yeah, what area you from? I'm from Utah & we've had greens floating around since late summer, definitley not to shabby.... do the purples have a pokeball score too?