Mad God's Key - Jason Buhlman (Dungeon #114)
Whipering Cairn - Erik Mona (Dungeon #124)
Halls of the Minotaur - Harley Stroh (DCC 35a, also a zero level module)
Into the Wilds - Harley Stroh (DCC 28)
Dreaming Caverns of the Duergar - Mike Ferguson (DCC 44, an Underdark module to boot)
There is No Honor - James Jacobs (Dungeon #139, from the STAP but easily plug and play, very Urban)
Crucible of Freya - Clark Peterson, Bill Webb (with great free Prelude and Expansion PDFs available)
These would be my picks