1.05 was when I started playing, I remember there being low level duel games with SICK gear because of the no lvl requirements for uniques, but it seemed like they were harder to find then.
I also remember there was no cooldown for Orb, Firewall, Blizzard and Hydra, when they added those cooldowns it really changed the game, Blizzard was such a SICK spell with no delay, back then it was about FCR and Regen, not really plus skills.
I chose 1.09 though, I think the game was the most equally balanced then when it came to PVP, every character was unique and could be competitive with no tele bs, you actually had to be good, so Fury druids would catch WW barbs in corners, Bone Necs could snipe you with Spirit and Spear off screen.
I also like the time before ladder resets this way you could invest in your account and build an empire.