I've DMed five adventuring groups over the last 11 years:
The Spellswords: '96-'98; 2E; Dragonlance/Ravenloft setting; Eye Tyrant series, "Dargaard Keep," Children of the Night modules, House of Strahd, Rod of Seven Parts, 1st half of Return to the Tomb of Horrors; level cap 18th.
The Heroes of the Lance: '97-'98; 2E; Dragonlance Classics campaign; played through "Dragons of Dreams" and "Dragons of Ice" and disbanded. Level cap 12th.
The Warriors of Shadowlight: '98-'00; 2E; Forgotten Realms setting; "Beneath the Twisted Tower," 1st two books of Night Below; level cap 12th.
The Company of Grimstead: '01-'04; 3E-3.5; Homebrew dungeon beneath Castle Grimstead's ruins, found northwest of Shadowdale, "Prison of the Firebringer," Dungeon/Dragon Incursion campaign, "Lich Queen's Beloved," last half of Return to the Tomb of Horrors, "Asylum," "Quicksilver Hourglass"; level cap 29th.
The Diamond Hawks: '04-present; 3.5; Forgotten Realms Age of Worms adventure path, also Dymrak Dread, Sons of Gruumsh, "Menagerie," "Blood of Malar," "Dragons of Despair"; current party level 11th.