Loved pretty much all the Wotlk ones so I voted for that, although T6 comes close behind just by itself.
IMO; tier 6 was the pinnacle.
It's not based on the raid.
It was based on the classes, not the theme of the area.
My favourite in particular is Tier 6; Lightbringer.
You're a shining beacon of the Light, the Light radiates from your very armor. Inscribed on one shoulder is a prayerbook which blesses the innocent and the just and on the other a Hammer of the Righteous to strike down the corrupt and the unjust.
I am also a huge fan of BC armor in general with exception given to some of the floating crystal gear, I don't like that as much.
As a Paladin I'd say Cataclysm. Though TBC was very nice, nothing beat the final PvP season set for Paladins!
"Yes, I'm one of those GW2 fan boys who quit WoW and never even played GW1."[/IMG]
I think it's more down to the individual tier, or even set, rather than expansion.
For Vanilla there's a lot of cool sets in T1, AQ gear was all disgusting, Naxx had maybe one set I liked. But I'd rate it higher than TBC
TBC had some cool looking weapons/off-tier pieces/dungeon gear/greens and blues but apart from a handful of sets I don't like most of its tier gear.
Wrath has several good sets, T9 was pretty drab (although I like the Alliance rogue set - why oh why was my rogue Horde!?).
Cata had quite a few good sets for various classes. It was also the first expansion since vanilla to have PVP sets that looked good!
MoP is pretty much continuing in this tradition. Are you including CM sets? Some of those are damn sexy.
So my vote is Cata or maybe MoP. Then Wrath, followed by Vanilla, TBC last.
MOP sets are fugly.
WotLK should be DQ'd it had the most tries. Even tho i chose wrath because of lock t8. and season8 pally set
Why read words when we can kill stuff the words tell us about?
You have dreamed of death, you thought to escape it. Now, my little puppet, death is all you will ever know.
NO ITEMS EEEVVVEEERRR!!!
In my opinion WoTLK and Cataclysm had the best with the TBC having some neat looking tiers.
I like a few tiers on each expansion, but I like most on Wotlk.
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I picked TBC, because tier 6 looked amazing for pretty much every class IMO. Whenever I ding a new character and want a transmog set, I look to tier 5 or tier 6 for an easy to grab awesome set. I mean, I know it's over used, but Lightbringer, Onslaught? they are such amazing sets IMO and when I wear them, I don't care if half of WoW is wearing them with me.
T6 Warlock, nuff said. T4 was like meh, but T5 and T6 made for it. T5 shammy <33
Don't know voted tbc because it had some of my favorites but the other expansions had some good ones as well. I really dislike most of the mop tier sets though.