I haven't had 2cB or 2cE but i like 2cD & 2cC Better than 2cI. The duration and body load of 2cI was a bit much in my opinion. Not as heavy as 2cT2, 2cT4, and especially not as intense as 2cT7. The thios seem to have a different flavor than the Halos. Want to try 2cP, but still like 2cD the...