How to backup iTunes to USB

" I am going to be getting a new computer soon and want to transfer my iTunes Library- videos and all- to my new Computer. The only way I know how is by using DVD-RW and CD-RW's. I have a little more then 2 GB of music and Movies from itunes and I really do not want to go and buy a bunch of CDs and DVD's when I have a 4GB USB that I rarly use. And I know I will lose all of the track names and lyrics and its a PAIN to have to do that. Can I use my 4 GB USB instead? If I can, then HOW? Detailed How-To's will be greatly appreciated, as will online articles. And, if you know an alternitive way, then that can be useful too. And no, I can't use my ipod because I have a 2nd G. Nano and I have Videos and TV shows I want to transfer."

How to backup iTunes to USB Drive
This is a legal way for you to backup iTunes DB or iTunes library to an USB dirve. iTunes to iTunes transfer allows to backup - copy - transfer your iTunes Music to your PC or USB drive. Get your iTunes Music back up in one click ! Ideal after a harddrive crash or viruses, before sending your computer for repair or simply to recover your iTunes Music to a new computer. Features include: backup all iTunes music playlist (MP3/AAC/WAV/AIF/Audible), backup entire itunes playlist such as saving your Playlists, Ratings and Playcounts to computer. You can also use it to backup iTunes library to hard drive .
Download iTunes to iTunes transfer
You can download it first and then install it to your computer. Plug your USB drive into your computer's port. Launch iTunes to iTunes transfer on your computer by going to your "Start" menu and finding it under "Program Files." Double click on the program name and it will open.

backup iTunes
Can you see the Backup path option. You can change to your pen drive . You can create a folder on your flash drive. and then save the backup files on the folder.

First, you need to choose the backup type, you can only backup the iTunes DB and iTunes files.
Then, You can click the icon "Backup" to start the backup process.

Restore iTunes
After backup on computer, you can restore the iTunes files from the backup files when necessary from the flash drive. Then recover it from the backup DB, you can share your iTunes with other person by this way.
To restore the iTunes DB , Go to "Restore;" then "Browser " then Import and choosing your backup iTunes library file on pen drive.

Click the "Restore" button on the skin and "Yes" in the pop-up windows dialog. Then it will automatically restore iTunes backup. But the restore will clear all the palylist and DB on the iTunes.