Am currently dealing with this for a customer. He just bought the car, put about 1000 miles on it and the ETA is going into limp mode. Pull it out to check and it was a reman unit from Beckmann dated 01.15. Called and ordered another from them, installed and it lasted 100 miles before having issues with fuel safety cut-outs at 1200-1500 rpm. Sent them both back and am now awaiting the return of a good unit with crossed fingers.
It would be best to find an original unit with a later date code for sure, but like with Jono's experience, I'm starting to see a lot of those failing also (not for rotten wiring).
Unfortunately these things are such delicate and complex units, getting a good rebuilt unit is getting harder and harder with each day that passes.