its about as simple as this

the 8v and the 16v are massivley diffrent cars.
it really depends wat u want form the car, if you live in a built up town type place then u definately want an 8 valve( lots more accessible torque), however if you live in the sticks then your onto a winner either way 8v or 16v.
the 16v is obviously faster( this point shoud not even be discussed in forums anymore!!!!) >: