I had a 98 Contour with a chipped key (PATS for Ford) and when the lock cylinder broke and I saw the prices: $30 for a non PATS and $130 for a PATS, I took the $30 one.
There's a plastic ring around the cylinder with the reader in it, I broke the head off the old key, taped it to the sensor and put the sensor out of the way. It worked fine for the year or so I had it after that and im assuming is still fine.