These are what I have, so far....
VHS:
1984 - Star Wars, Empire Strikes Back (P&S)
1986 - Return of The Jedi (P&S)
1989 - From Star Wars To Jedi (P&S)
1990 - Original Trilogy (P&S)
1992 - Original Trilogy (P&S). From Star Wars To Jedi (P&S)
1995 - Original Trilogy ("Faces") (P&S), Making of Star Wars (P&S)
1997 - Special Edition Trilogy (P&S and WS)
1999 - Special Edition Trilogy (P&S)
2000 - The Phantom Menace (P&S and WS)
2001 - Special Edition Original Trilogy (P&S)
2002 - Attack of The Clones (P&S)
Beta:
1984 - Star Wars, Empire Strikes Back (P&S)
1986 - Return of The Jedi (P&S)
LD:
1993 - Definitive Collection (WS)
DVD:
2001 - 2-disc The Phantom Menace (WS)
2002 - 2-disc Attack of The Clones (WS)
2004 - 4-disc Special Edition Trilogy (WS)
2005 - 2-disc Revenge of The Sith (WS)
2006 - 6-disc Special Edition / Original Trilogy (WS)
Blu-Ray:
2011 - 9-disc Sexology (WS)
I have some bootleg/pirate/foreign VHS & DVD versions of several of the films (mostly of Phantom Menace).
I know there are many other Widescreen releases on VHS, and I don't have the other LD's, or CED's yet.
Edit: Added stuff.