- Junglescape, Mountainscape
- Complete Psionic Revised to Not Cause Migraines
- Arms & Equipment Revised
- Monster Manual Companion I, a bunch of worked out examples of advanced and variant monsters of each level, similar to the format used in later Monster Manuals and the 4e books
- Feynomicon, Giantnomicon
- Dark Sun, Mystara, Greyhawk
- Strongholds, massed combat, and rulership
- Revised Epic Handbook
- Alternate campaign builder: Camelot, The Mighty Fortress, Heroic Greece, and Legendary Nippon as worked out examples, with suggetions for dialing magic up and down, modifying or replacing classes, and redefining game elements (like races, special materials, enhancement bonuses etc).
- A couple of mega-modules for characters in the 8-14 level range
- Unearthed Arcana 2, with more class variations (like beefed up fighters), alternate grappling rules, alternate magic item crafting rules, critical hits by location, etc.
- A series of Complete books based on the party's rationale: Complete Retainer, Complete Mercenary, Complete Band of Heroes, Complete Soldier, etc.
- Book of immortal play, a la gold box Immortals, The Primal Order, etc.
That oughta hold the line for a couple of years.