tci controler info for the 4l80
to give no problems. He ate up 4 or so 4L60Es and went to the
4L80E, in the mid-high 10s with a full weight truck (blower +
N2O).
It's a pretty simple interface, you don't get a lot of control
(not like fine-tuning the PCM) but seems like good enough.
If you want more sophisticated tuning from a standalone controller, go with Powertrain Control Solutions. They are also owned by Comp, but the products are quite different. The PCS controller costs more at $850, but it has a much nicer harness and is way more powerful.

