superkaramba is installed in sabayon 3.4 by default. so you should have any probs with it.
for the osx bar clone, you might want to try something like:
the one i like most is kxdocker, althought it is kinda old and and needs some tweaking.
to install kxdocker just do the following in console:
# layman -a xeffect
emerge -1v kxdocker
then you should be albe to play around with it
Ignorance is not shameful. Arrogantly ignoring and denying your ignorance is.
All men are capable of learning, except two: The Arrogant and The Shy.