You never know... I just pulled the head off a 1.6TD that had a documented 70,000 miles since new. All four pre-cups were significantly cracked and the two middle cylinders both had cracks from the exhaust valve to the pre-chambers. The bores were also worn beyond the wear limit. $450 is a decent price for a 1.6TD longblock core, tho.
...BTW your Bieber avatar is awesome.-Malone