Do I break it or not.

[Craig-ZS180]

What are people's thoughts on breaking the car. It is going to be sold one way or another but I'm wondering what's the best way to go about it.
I am still undecided as to the replacement but it is now out of a choice of 2 cars that I'm toying with. One is a zs which obviously I can then swap the bits over I want to and pass on the rest but the other nothing is compatible so probably unless in a couple of years down the line I return to zs ownership isn't going to be worth me keeping the couple of my more favoured parts.
My main question is to those who have broken one before, how much of a pain in the ass is it to do this and is it really worth all the fuss.
I know my car is worth little as a complete package but how much more do people estimate me getting by parting it?
What are your thoughts?