I would SEVERELY advise against buying mephedrone. Aside from all the reasons SilentRoller listed (very accurate), it's likely to be very impure product, no home testing exists, likely overpriced and very, very, VERY understudied by professionals. MDMA on the other hand is testable, very studied, tried and true, probably less expensive and more predictable.....and yes.....overall a better high and experience. Mephedrone sits in the same bucket as cocaine, it won't be as likely to create a glowing experience you share with good friends, it will just be all about keeping that buzz up until you run out, as you watch your penis retract into your body like a frightened turtle and your joints turn blue.....and that sweat stink...yuck...