Not when you get the 2000 SVT for 2K and the Mystique for 1K.
Now the only thing fake about the Car when I'm done, will be the VIN on the car the rest is real SVT. You could look at it like alot of work for an insurance discount.
Also I'm bord and I like making things.
Go
Here for more information on the subject.
*Update*
After rereading your post I thought about what you said. You are correct it would be easier to just buy a new one. I even had the opportunity. I chose the path less traveled and it has made all the difference.