Brand Newbie needs help on plugin compatability

Theses are the plugins I have found on bukkit and some seem to refuse to load please help me figure out wich plugins don't belong togther

-Citizens
-Builder
-Sentry
-denizen-0.9.2-SNAPSHOT
-craftconomy3-3.1.5
-EpicBossGoldEdition
-Essentials
-Eternal_Ice
-Factions
-Gates
-GriePrevention-b214


I am a fresh start Noobie on Hamachi to practice

oops i forgot a few plugins

-mcore
- minimap
-multiworld
-teerrain control
-vault
-world edit
-world guard

EDIT by Moderator: merged posts, please use the edit button instead of double posting.