Is Mac OS X Leopard the best OS?

Do you know that most people said that Mac OS X Leopard is the best operating system (data as of 20 June 2008 - 32 %, 4019 voted)?what is your choice as the best operating system?For Zombie, windows XP is still the best OS because easy to find software or XP and have no problem with the hardware. Let's join the world to select the best operating system.

Synaptic Package Manager

Synaptic Package Manager is a utility that came with Ubuntu Distro that you can use fro browsing through large online software libraries (called repositories) to locate and install applications and utilities as required. Select one and mark it for installation, and it will automatically install when you click Apply. It will even automatically grab any other files that its installation depends on, without requiring you to do any extra work.