I have poosted this before but this is the newer version.

Xilisoft YouTube Video Converter is the most powerful product to download videos from YouTube.com and convert YouTube videos to other video formats. With its "downloading + converting" one-step solution, we could easily download FLV videos from YouTube to play on your iPod, PSP, mobile phone, Apple TV, Zune, iPhone etc.

You could use Xilisoft YouTube Video Converter to just download FLV videos from YouTube.com to your computer. Or you are able to one-step download and convert FLV files on YouTube to other videos formats, sudh as AVI, MPEG, MP4, WMV, 3GP, H.264/MPEG-4 AVC, H.264/PSP AVC, MOV, RM, ASF, FLV, SWF, etc. And its independent video player will amuse you by playing your favorite videos.

Main Functions
One step to download FLV videos from YouTube.com and convert to other popular videos formats;

Just download and save the FLV videos on your local disk;
Convert FLV files on local disk to other videos formats;
Support the output format: AVI, MPEG, MP4, WMV, 3GP, H.264/MPEG-4 AVC, H.264/PSP AVC, MOV, RM, ASF, FLV, SWF, etc.


Key Features
YouTube Video Converter provides the fastest speed to download and convert YouTube videos to other videos, beyond your imagine, because:

1) It offers multithreading and batch conversion.
2) It supports multiple task: download and convert several files at one time.
It offers you the most convenient task management and easiest control capability, because:

1) It allows you to choose how to download YouTube videos: directly drag the video file to Drop Zone, drag URL to main window of software and copy URL to "New Task" dialog.
2) It provides advanced task management functions: you could add, stop and delete tasks freely.
3) And more options are provided to adapt your habits: Specify the destination for the files; Rename the downloaded file; Set the downloaded file format to FLV, MP4; Set max simultaneous tasks;