Interesting fact almost completely ignored on this thread all these years: Dorothy Black was a B/G performer (including anal and IR) for the first 3+ years of her career
According to IAFD.com, Dorothy Black's first scene in a movie was with Lexington Steele in Nice Rack No. 1 (1998).
She did a GG/B scene with Lex in 2 on 1 No. 2 (1999).