Samsung announces new ultra thin mobile phones at the 3GSM 2007 in Barcelona. The new New Samsung Ultra Edition II line includes Ultra Edition 10.9 (U600), Ultra Edition 12.1 (U700), Ultra Edition 9.6 (U300) metallic clamshell and the candy bar handset Ultra Edition 5.9 (U100), which is supposedly now the World's Slimmest Mobile Phone.

All new Samsung Ultra Edition II phones feature Samsung’s Optimized Power Usage Solution (OPUS), which is increasing talk time by 10%, power saving by 30% and battery capacity by 10%.

The Samsung U600 and U700 sliders coming in a choice of colors which includes sapphire blue, garnet red, platinum metal and copper gold. Features of the new slim sliders include 2.22" wide TFT LCD, 3.2MP camera and HSDPA 3.6 Mbps data transfer speed (U700 only). The U700 is 12.1mm thin and the U600 is only 10.9mm.
The Samsung Ultra Edition 9.6 (U300) metallic clamshell features a 3MP, TV-out capability, Bluetooth and a 70MB memory.

The Samsung U100 is only 5.9mm thin and is packed with the following features: 3MP camera, 1.93" color TFT screen, 11 hours of music play time,

Samsung introduced the first Ultra Edition mobile phones in June 2006.

The Ultra Edition II will be released in the European Market in the first quarter of this year. Samsung is showing the new ultra slim phones at the 3GSM 2007 in Barcelona.

Samsung has quite a strong line-up on the start at the 3GSM 2007 if you also look at the powerful Samsung Ultra Smart F700
More details in this Samsung press-release (Korean).