Does anyone else use the dock Wbar? In my opinion it is the best OS X like dock there is for linux. There is no delay, its very configurable (its a text file, but there are directions), and it is so smooth. Heres a link to the fsf page about it, there's no real website to speak of, but the source tarballs are there to download and compile. It comes by default on SAM Linux and I am using it on all my distro's because it is that good.