I think Little Kim has had some face time with her confessionals but very little in the actual show. The ones that I feel have had the least face time to date are MamaKim and Ethan.
The most face time? Brandon, Frank, Tom, Kelly.
In the middle -- Lex
Somewhere between the middle (Lex) and the least (MamaKim/Ethan) -- Teresa and KimP. Teresa was the absolute lowest before the last episode.
"Damn you, Carl, for leaving me here with a bunch of misfits."
Frank Garrison, Nov. 1/01