Star War's Most Fearsome Warriors (by organization)

[Lord Pounder]

Honourable mentions should go to the Mystrl(sp) Shadow Guard. Shada Duku(sp?) was an average member of their order and in the Thrawn Trilogy and Duology she kicked all maner of ass.

But for my money the Yuuzhan Vong get my vote as top warriors. Their average warriors can match a Jedi and higher up models get all sorts of implants and modifications that make them even more deadly. The Vong Warmaster was equiped with a claw that could take another Vongs head clean off and had armour scales capable of withstanding a lightsaber implanted.

[Spartan]

Force Assisted Warriors:

The Jedi and Sith are not the only Force using warrior sects in the Galaxy. But really if the Force is your ally you can pretty much own any one.

Droids:

Darth Vader had specially constructed dueling droids that were so proficient at sabre fighting that only he was able to defeat them. Even there manufacturer was constantly trying to improve them to meet Lord Vader demand for more competitive droids.

Those thing had go through nearly twenty years of technological evolution, solely for the purpose of fighting the most powerful Jedi ever. There were well above the Manga-droid and probably better than Grevious.

Morgukai

The Morgukai were a joke. If Vos and Secura were not total wastes as Jedi, they'd kill those to losers the first time they met them. I regretably have that series and not once do they really use the force against them. But they can disable a starship with a single sabre toss?!! Vos and company never even tried to really beat them. They would not last 10 seconds against the likes of: Anakin, Obi-Wan, Mace, or any other worthwile Jedi.

Martial Arts

Hey let's not forget Teräs Käsi Masters, Force assisted martial arts ain't no joke.