You can "feel" the bottom part because of the leverage on the elbow, not because this part of muscle work harder.
Incline bench can be usefull as a light bench day or when you have problem with regular bench. Or it could be good idea to use it as "mass building" componet if you want it.
A few sets of LTE can be used anyday. It is not "big lift" so it is easy to recover from.
If you want more bodybuilding approach in your training it would be a good idea to use them both.