Rocketdock vs Objectdock

RocketDock
-free
-maximun 1dock
-with basic feature such as making a folder shortcut or application,changing icon , use stack,etc

Object Dock
-free
-maximun 1dock
-basic feature same as RocketDock

ObjectDock Plus
-not free
-can have multiple dock
-have tabbed dock
-include some extra feature such as aero peek alike.

Rocketdock is lighter but it was reached final edition and not update anymore
objectdock is free but it confining your creativity
objectdock plus is paid but u get many good features (u can search for an serial key at internet ^^)
So, if u just wanna have 1 dock better use rocketdock. But if u are search for creativity.... USE OBJECTDOCK!!!