Just curious...
No patch: Leave the game untouched.
Bug fixes and added features: Fixes to things like scout bug, relic bug, record game for restore, added support to widescreen. NO BALANCE/GAMEPLAY CHANGES
Balance Patch: Minor tweeks to existing civilizations, mostly with numbers. No newly added units or technologies. Also include all bug fixes and new features.
Expansion: Extra civilizations, extra units, technologies, balance changes, bug fixes and new features. Same amount of content as AOK -> AOC
No patch: Leave the game untouched.
Bug fixes and added features: Fixes to things like scout bug, relic bug, record game for restore, added support to widescreen. NO BALANCE/GAMEPLAY CHANGES
Balance Patch: Minor tweeks to existing civilizations, mostly with numbers. No newly added units or technologies. Also include all bug fixes and new features.
Expansion: Extra civilizations, extra units, technologies, balance changes, bug fixes and new features. Same amount of content as AOK -> AOC