It's pretty delicate whether we allow such threads or not, it can be controversial. What we don't want is people relying on everyone here to make choices as a substitute for doing your own reading up / research.
If you have previous experience with psychedelics that helps, at least you're not psych-naive. You should just really read through all the Big & Dandy threads of those 2C's and read some trip reports on erowid of all of them. Put your time in that instead of this thread.
Basically my opinion is it does not really matter *that* much if you are familiar with mushrooms and acid but assuming it does, my feelings about those 4 are that 2C-D is interesting and gentle but too weak and subtle until you really hit a significant dose that
is higher than of other 2C's (except maybe 2C-N or something).
2C-I is a good medium level 2C although it never really interested me that much. I found it lacking in depth and stimulating, even though something like 2C-C is very subtle to me and less potent... 2C-I was just annoyingly hollow in a way.
2C-E is profound, an excellent and interesting trip but not really that enjoyable to me. Important, beautiful and rich, yes. But fun... for some reason hardly.
2C-T-2 I have not tried yet, but I immediately thought what allium said: if you are prone to nausea you should expect something shitty from T-2. I do not get nauseous on acid and on mushrooms only if I consume them incorrectly. 2C-T-7 which is similar to 2C-T-2 produced a body load and nausea for me but it was absolutely worth it and I find it to be the most glorious of all phenethylamines save maybe mescaline.
