From your previous post, you are a MAC user.
You will need a Video Editing Package that supports basic filter and compositing tools. I think Final Cut Pro will do the trick, but check out the specifications at http://www.apple.com/finalcutpro/
COMPAQ something or other with 500Gb Boot Disk, 1Tb external Firewire Disk, 4Gb Memory and a super duper sound card, 19" TFT Monitor etc etc etc
Sony TRV33e : Sony TRV310e : Canon XM2
Sony Vegas Studio editions to v11
Remember, there is always more to learn than there is to teach.