What makes the Samsung F300 so special is something that we can’t show you.. because Samsung’s press office have only supplied a picture of one side of the SGH-F300. Here’s the clever thing: on one side of the F300 is a “music player” interface with a large screen and multidirectional pad.. on the other side is a conventional numeric keypad plus a much smaller screen. It’s the first time we’ve ever seen this on a mobile phone, and it’s just such a darned shame we can’t show it to you. This arrangement is also found on the Samsung F500.

This unassuming looking handset is, in fact, the smallest and lightest 3G phone that we’ve ever seen. Weighing just 85 grams, the SGH-Z330 comes with a 1.3 megapixel camera, a secondary camera for video calling, 1.9″ 176×220 pixel display, 140Mb of embedded non-expandable memory, Bluetooth, an MP3/multimedia player, email client and web browser. Although some features have been sacrificed to make the SGH-Z330 a lightweight device, it’s still an impressive little handset, with a decent enough camera and plenty of memory to be useful.

The Samsung i320 is a Windows Mobile 5.0 smartphone with a BlackBerry 7100-style keypad, 320×240 pixel display, 1.3 megapixel camera, plus 120Mb internal memory plus microSD expansion and Bluetooth. It comes with all the usual software features you’d expect in a Windows device too.

At 95 grams, this is an impressively lightweight device, and the SGH-i320 measures only 111×59x12mm. It’s a tri-band GSM 900/1800/1900 device with GPRS and EDGE, but there’s no 3G or WiFi support here.

The SGH-P900 (pictured) is an unusual looking phone that is slightly reminiscent of the Samsung Z130, with an unusual rotating display. However, the display on the SGH-P900 is designed for digital TV rather than video calling.

The Samsung SGH-P900 is a tri-band GSM device with GPRS and EDGE, a 2 megapixel digital camera, T-DMB receiver, 240×320 pixel display in 262,000 colours, 128Mb of internal memory plus microSD expansion, an MP3/AAC player, dual speakers and Bluetooth. It’s a large device for a GSM phone, at 95×48x27mm and 124 grams, but substantially lighter than the Nokia N92.

The Samsung E420 is a low cost member of Samsung’s “La Fleur” series of fashion phones with a 128×160 pixel OLED display in 65,000 colours, a VGA resolution (0.3. megapixel) camera and that’s really about it, apart from the E420’s attractive looks.

In fact, it’s the SGH-E420’s looks that give the game away – the interior and basic specifications mark it out as an upgrade to the Samsung X400 (see below) from 2003. Yup, this is essentially a three-year-old phone with a bit of a facelift and a few new features.