I'm new to this as well (on my 2nd month) I haven't tried the cartos think I will give them a go as suggested but. Also give the low resistance atomizers a try. I also found the regular resistance atomizers a little weak with the ego-t's.
I can also second not sucking on it too hard. It will be a challenge at first but once you get used to it you will never miss puffing on an analogue.
I can also second not sucking on it too hard. It will be a challenge at first but once you get used to it you will never miss puffing on an analogue.