I recently got my hands on the Nokia Lumia 710. It is an incredible device to say the least.
The Technical Specs of the device are as follows:
Dimensions: Size: 119 x 62.4 x 12.5 mm ;Weight (with battery): 125.5 g ;Volume: 81.1 cc
Memory: 512 MB program memory; 8 GB internal; Skydrive Integrated.
Battery: 1300 mAh; 3.7 V
Display: 3.7” WVGA TFT display; 800 x 480 pixels Resolution; ClearBlack technology
Operating System: Windows Phone 7.5
Camera: 5 megapixel camera; Auto focus; LED Flash; 720p, 30FPS Video Recording
So here is what I felt about this device: