Apple has revitalized its iPod lineup with the unveiling of a new slightly smaller iPod nano and its addition of a new touch-screen-music player called, “iPod Touch”, an entirely new addition to the iPod family with a Wi-Fi wireless networking feature.

The new music player lineup promises to bring video playback, an enhanced user interface featuring Cover Flow, and an incredible new design to the world’s most popular music player.

Like the iPhone, the new iPod touch is a touch-screen user interface, which enables users to control, and sort through their music library on a widescreen display with just the touch of a finger.

The iPod touch also includes a Wi-Fi wireless networking feature, the first on any iPod, pre-loaded with Apple’s latest mobile applications, which utilizes its Wi-Fi capability.

Starting with Safari, a mobile browser which works on any mobile device,  users wirelessly view web pages just as they look on their computer, and it features Google Search or Yahoo! oneSearch.

Moreover, Apple’s YouTube application lets iPod touch or iPhone users wirelessly watch over 10 million free videos from the Internet’s most popular video website.

To conclude, the new iTunes Wi-Fi Music Store application lets both iPod touch and iPhone users wirelessly browse, preview and buy songs and albums from Apple’s online music store.

The iPod touch is 8 mm thin, and is scheduled to be available later this month. The 8GB iPod touch model is $299 (US) and the 16GB model is $399 (US).

Meanwhile, the new iPod nano features a larger two-inch display with 204 pixels per inch, which lets users watch their favorite movies, TV shows and music videos in the same resolution they currently enjoy on the video iPod. iPod nano also includes three fun games, and additional games can be purchased from the online iTunes Store.

The new iPod nano also delivers up to 24 hours of audio playback or five hours of video playback on a single charge, and is encased in a beautiful new all-metal design made with anodized aluminum and polished stainless steel and comes in five new colors—silver, black, blue, green and a RED special edition.

The all new iPod nano also features a 204 pixel per inch display that is 65 percent brighter than the previous generation and delivers 320×240 resolution that is perfect for watching your favorite movies and TV shows on the go.

iPod nano also features an enhanced user interface that shows off album artwork and photos like never before, and now includes Cover Flow, so you can scroll through your entire music collection by album cover artwork using the Click Wheel. It also comes pre-loaded with iQuiz, the entertainment trivia game; Vortex, a fast-paced 360 degree brick-bashing game; and Klondike, the popular solitaire card game.

Additional games will be available for iPod nano later this month from the iTunes Store, including Sudoku and Tetris from Electronic Arts and Ms. PAC-MAN from NAMCO, Apple said.

Also today, Apple released its new entry level lineup, the iPod shuffle in five new colors, and its higher model, the iPod classic,featuring 80GB or 160GB of storage models.

Both iPod classic models are available now worldwide in silver and black. The 80GB iPod classic model is $249 (US) and the 160GB iPod classic is $349 (US).

Brimming with excitement, the iPod maker also announced today an exclusive agreement with Starbucks that allows you to access the iTunes Wi-Fi Music Store for free in participating U. S. Starbucks stores starting next month.

When you enter a participating Starbucks location, your iPod touch, iPhone, or PC or Mac running iTunes will automatically recognize the iTunes Wi-Fi Music Store. You can see what song is currently playing or has recently played in the store, and immediately preview, buy and download it over Wi-Fi.

The 4GB iPod nano comes in silver for just $149 (US) and the 8GB model is available in silver, black, blue, green and a (PRODUCT) RED special edition for just $199 (US).

Both the 4GB and 8GB iPod nano for Windows or Mac are available worldwide now through the Apple Store, Apple’s retail stores and Apple Authorized Resellers.

Coupled with its latest new product lineup announcements, Apple also released the next generation of the world’s most popular music and video jukebox, iTunes 7.4, now available as a free download on its iTunes.com website.

The new version, iTunes 7.4 includes a larger viewing area for movies and TV, filling the entire iTunes window for a richer, seamless video playback experience that looks better than ever, according to Apple.

Apple’s iPod is the world’s most popular family of digital music players with over 100 million sold, according to the company’s recently released June figures.