The first car is Suspension Ultra light car and has single shear pivots all around and an 091 trans. Probably a nice car but i would want it to be alittle beefier.
The second car has a 091 bus box. Although it might hold up to that Subie motor, I would not spend that kind of money and not go with a Mendeola.
The third car seems pretty good, but you will have alot of money to complete it, like coil carriers, by-pass shocks, lights, powerstreering(going to need it on that heavy of a car) and the list goes on. Not to mention the car will weigh about 2800 pounds and only have 400HP. It would be great for duning, but wouldn't have the ponies to push you back in the seat. And alot of sweat and cuss words to put it together.
But, as you can see, Nick probably found those cars in a matter of minutes. And there are alot more out there. i will definately search them out as well.
A used Funco would be a great car if you can get over the mini-van look.