Aha, that's the key! You are supposed to take 100mg or so, rather than following Shulgin's rather conservative dosing... I tried some about 4 years ago a few times, and while there were absolute nothing wrong with the experiences I had, I always thought that the TMA-2 "glow" in a sense has felt very "generic", as in everything visual and/or mental that has to do with its effects mainly consists of all sorts of psychedelic archetypes, where nothing of the experience can be said to be "very typical of TMA-2" or so, everything is just so common (...or at least as common as being in the middle of of a +3 psychedelic experience can be...). With all other psychedelics, there is always a certain personality in the drug I can feel, this just felt I couldn't grasp and classify really. Perhaps the key is more. Before, I regarded Shulgins dosage suggestions more highly than whenever I read on a prescription...
Oh you brave man, we really should be awarding our members some kind of prize (how about a little bronze bee, designed by Fractal or any other of the Hive resident artists?) when they have made a remarkable feat of any kind, as in someone trying out a new drug for the first time on earth (I guess Assholium beats everyone but Shulgin, or devising a new powerful synthetic pathway noone has thought about before (Labtop's NaBH4, Strike's Bubblegum Wrapper, Beaker's NaBH4/CTH reduction)