Bukkit

Update 1.5

• Added inside block checks.
• Added effect particles for teleporting.
• Changed cost mechanic - Cost is now variable based on how far player teleported.
• Added Combat checking - If a player is injured by another player, that cannot teleport for the 'combattimeout:' time.
• Added Localization and custom message support.

Initial Release 1.0

Features

• Use redstone to teleport X amount of blocks.
• Customizable costs.
• Customizable distance.