That's why Anakin got his hand lopped off against Dooku in AotC for using dual sabers.
KAN
kanisL dragon
vampire You can be skilled using dual sabers the only reason anakin wasn't effective against dooku because like most jedi he uses one lightsaber in combat and just attacked him without whatever the form is for two handed lightsaber combat.
MM
Master MawiJedi Master Assassin
I'd say Shien/Djem So would be quite a good combat form since it is a defense and offense against melee weapons and guns. But personally, I prefer speed and attack like Vaapad.