Also announced on Sunday was the Sony Ericsson Vivaz Pro, which adds a QWERTY keyboard to the announced in January. The Vivaz Pro runs on the Symbian platform from Nokia and features a 3.2-inch display (360 by 640 pixels) in a 16:9 aspect ratio.

The Vivaz Pro also features a 5.1-megapixel camera with auto focus, face detection, flash and image stabiliser, together with video recording capabilities. Bluetooth A2DP, Wi-Fi, A-GPS, and a 3.5mm audio jack also present.

Sony Ericsson's Vivaz Pro comes with an 8GB microSD card included (75MB internal memory), expandable up to 16GB. The 3G phone is expected to arrive in the second quarter as well, again at pricing to be announced.

PCWorld is at the 2010 Mobile World Congress in Barcelona, Spain, and will keep you updated on the latest news from the event throughout the week.