Skirms for all civs get the upgrade, dutch are just the only ones to have them when they age. Similarly, "early dragoons" will be unupgraded. I picked through the techtree.xml file...
So far:
II
---
Explorer gets +25% hp
ExplorerDogs get +15% hp
Spanish WarDogs automatically upgrade (+25% hp)
- Not sure if spanish WarDogs count as ExplorerDogs
III
---
Explorer gets +25% hp
ExplorerDogs get +25% hp
Skirmishers automatically become VeteranSkirmishers (+20%hp/dmg)
Dragoons automatically become VeteranDragoons (+20%hp/dmg)
Spanish WarDog +50% HP
IV
---
4.00 LOS Buildings
Explorer +25% hp
ExplorerDog +25% hp
Spahi automatically become Spahi (+30%hp/dmg)
V
---
4.00 LOS Buildings
Explorer +50% hp
ExplorerDog +50% hp
Spahi +50%hp/dmg
Spanish WarDog +100%hp
MyIIClan Image - Cuetech Playersearch - ESO2 Stats
Breakeven point: Gather Rate Techs - Age Auto-upgrades
[This message has been edited by wyveric (edited 04-19-2006 @ 05:13 PM).]