Nullsoft Winamp is a fast, flexible and high-fidelity media player for Windows. Winamp supports playback of many audio (MP3, OGG, AAC, WAV, MOD, XM, S3M, IT, MIDI, etc) and video types (AVI, ASF, MPEG, NSV), custom appearances called skins (supporting both classic Winamp 1.x/2.x skins and Winamp 3 freeform skins), audio visualization and audio effect plug-ins (including two industry dominating visualization plug-ins), an advanced media library, Internet radio and TV support, CD ripping, and CD burning. Winamp 5.5 comes bundled with the latest version of the ground breaking AVS (Advanced Visualization Studio) and Milkdrop visualizers. Enjoy over 100 bundled visualization presets created by users. Switch between presets manually or sit back and watch your presets on Random. Features:
» Now Playing: Discover Artist Songs, Videos, Radio and Photos
» AOL Radio Powered by CBS Radio
» Expanded Flash video support
» Media Monitor: Playing music on the web just got even better
» Language packs available in Chinese, Japanese and Korean
» Updated Winamp toolbar - control Winamp from your browser
» A Redesigned Unified Interface, including Album Art
» Remote Music and Video Playback and Sharing
» Dynamic Song Recommendations Playlist Feature
» Multi-channel MP3 Surround Support
» Mass Auto-Tagger Provides Latest Music Metadata
» Integrated Web Search for Artist and Track Information
» Album Art Support for Portable Devices
» Updated Podcast Directory and Download Manager
» Fully Integrated Web browser and customizable links
» New Visualizer Plug-in - Milkdrop 2
» Portable Device Sync support
» Expanded Podcast Directory
» Smart views with new pre-sets for dynamic playlists
» Plays an insane amount of audio and video types
» Compatible with Winamp 2 Plug-ins
» Full Support for Classic Skins
» Full Support for Modern Skins
» Access over 18,000 SHOUTcast Radio Stations
» Enjoy thousands of free songs and videos
» Playback the AOL Video catalogue of video content
» Listen to AOL Radio stations
» Download thousands of Skins and Plug-ins

Features of Pro-version:
» Rips CDs to MP3
» Rips CDs to aacPlus, AAC, WMA
» Rip to HE-AAC
» Burn CDs

New features:
» Improved iPod Sync Support
» New iTunes Library Import
» New Online Services Gallery
» New OurStage Radio Online Services
» New Spinner MP3 of the Day Online Service
» New Turkish, Romanian and Portuguese Language Packs