For looks, dragon helmet and white tiger helmets can't be beat, although the scorpion isn't bad. Half elven Velious plate is just bad. Have a look for yourself on Velious armor models:
http://www.eqemulator.org/forums/showthread.php?t=29595
Tunarian Paladins have one distinct advantage over every other paladin: the most badass weapon graphic:
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It might not be as good as epic (slightly lower stats and cannot bash), but its pure beauty. Sadly the best close-up of it also used Luclin models.