Hi, I think lot of us have a some problems with right information about own Alfa cars. In Lithuanian AR club we controll some user manuals in english or even russian in diferent formats - pdf, CD, printed ctalogues.
I believe it could be reasonable make a full list and summary placed in that forum.
F. e in this moment I am looking user, repair manual for Alfetta and have a service manual of 155 (pdf.)