The compact and slim Nokia E71 is a smartphone for people who really want a pocket computer. You know, people who want to type email messages, view documents, take photos, read Web pages, listen to music, watch videos and navigate with GPS, but are willing to carry only one device. The E71 has the required features with a qwerty keyboard for typing messages on the go.

The Samsung Omnia SGH-i900 is the iPhone for people who need Windows Mobile smartphone because they love the products or because of their work. The Omnia comes with touch screen that can be used in portrait or landscape mode, GPS, Wi-Fi, 3G, and 5 megapixel camera. The stylish smartphone lets users create personal home screens using small programs called widgets.

People who never want to get lost may have to own multiple GPS satellite navigation devices. They may have to get one device for car, another for hiking, and a third one for sailing. It would be possible to use a mobile phone that is equipped with GPS for different types of navigation tasks by downloading a suitable application and a map to a smartphone, but not everyone likes the phone's small screen. Garmin has introduced the Nuvi 500 that has been designed as a portable handheld GPS device for walking, cycling, driving, and boating.

The Nokia E66 is a slick high-end smartphone with plenty of style and features. Connectivity options include Wi-Fi, 3G HSDPA, Bluetooth, and Infrared. The software package on the phone lets you access Exchange email, Internet email, office documents, and navigate across the world using the built-in GPS with Nokia Maps. The Nokia E66 is a slim and compact phone for anyone who wants to have all the latest features on his or her mobile device.

Finally, Apple has introduced a smartphone. The Apple iPhone 3G not only comes with high-speed mobile network access, but it is also possible to download new applications to the device. The capability to enhance the product by installing additional software makes the iPhone a worthy contender in the smartphone market. Advanced features, like A-GPS, Wi-Fi, 3G HSDPA, Bluetooth, and above all, the fantastic touch screen should make the iPhone a popular device for those who are looking for a high-end smartphone.

The Samsung Soul SGH-U900 has its own mysterious, dark style. The shiny, metal-and-glass finish with keypad lights reflecting from the dark background makes the phone look like a high-tech device. That's exactly what it is. However, there is nothing dark in 5 megapixel photos taken on this camera phone, or MP3 music and FM radio that are available as well.

As far as portable MP3 music players are concerned, it's really a battle between brands. Walkman or iPod? Both brands have their fans, but those music lovers who don't want to carry an extra device with them, choose a music phone. The Sony Ericsson W350 is so stylish and small MP3 player phone that even the proven Apple iPod nano needs to take a look at the mirror. In addition, the W350 has 1.3 megapixel camera, FM radio, and the possibility to download Java applications.

As a GSM mobile phone, the Motorola Rokr E8 may not break new ground, but as an MP3 player and music phone, it is a smart device. The product comes with a new kind of haptic keypad that tells you what you can do by lighting up relevant keys only. The keys are touch-sensitive, although there's no touch screen. The slim, dark unit looks good and lets you take 2 megapixel photos as well.

Would it be fun to post photos taken on a digital camera to a map shared on the Internet? Would it be handy to have an GPS receiver for navigation on a mobile phone? Would it be smart to have both features in one product? Yes, and that is exactly what the Qstarz BT-Q1200 Ultra does. It is a GPS receiver for mobile devices and a travel route recorder that can sync photos with tracks. In addition, it can use solar energy to power itself.

The world has taken yet another step towards truly mobile computing. One of the major PC manufacturers, Acer, has designed a mini-laptop, which is about the size of a mass-market book. Yet, it has a qwerty keyboard and 8.9-inch screen. The Acer Aspire One also comes with Wi-Fi, 3G, hard disk or flash memory for storage, and Linux or Windows operating system .