Northwest do not operate DC10-10s. They have only ever operated the DC-10-40 and the DC-10-30.
The DC-10-40s are already in the desert and the DC-10-30s are just about to follow.
Im sorrry where did you see DC-10-10. The plane was a DC-10-30

Yes, LGW will be a A330 city in three weeks time.