The following list was supplied by a friend who was at the time working at AC customer service. It was compiled in early May 2001. The list is somewhat old (many planes have since been retired), but should give you an idea of what’s out there
AC's:
FIN # 909,910,931,932,933,934.
(J-CLASS ONLY) These are A330/340
Former CP’s:
13 of the Canadian A-320's have laptop power. FIN # 401 to 411,415,416 (J&Y CLASS)
These CP aircrafts also have plug ins:
12 B767-300 FIN # 631 TO 634 AND 637 TO 642(J & Y CLASS)
4 B747-400 FIN # 881,882,884,885 (U/D ONLY)
23 B737 FIN # 708 TO 712, 714 TO 725,
728 TO 731 AND 734
(J & Y CLASS)