My system:

EB 0.80 (on RTW 1.5):

Equipment
-AMD Athlon 1.3 GHZ
-1.0 GB DDRAM
-Nvidia GEForce4 MX 4000 128MB (Dual Monitor - this is one of those that can't show our campaign map trees, but uses sprites for them instead)
-186 GB HD - NTFS, half full (Haven't defragged my HD in ages, it's in much need of it)

Loading times
EB Total Load Up(from double click to Main Menu): 2m 15s
EB Campaign Load Up: 1m 35s
EB Campaign End Turn: 1m 13s
EB City Battle Load: 1m 05s

(Note: Faction = Epeiros)

This is with only two other Mozilla windows open.