Had mine a week now, now about to sell my 10" laptop because the phone is that good, see Reviews
here Picture shows the IPOD size v the SII
Key features
•Quad-band GSM and quad-band 3G support
•21 Mbps HSDPA and 5.76 Mbps HSUPA support
•4.3" 16M-color Super AMOLED Plus capacitive touchscreen of WVGA (480 x 800 pixel) resolution
•Android OS v2.3.3 with TouchWiz 4 launcher
•1.2 GHz dual-core Cortex-A9 CPU, Mali-400MP GPU, Exynos chipset, 1GB of RAM
•8 MP wide-angle lens autofocus camera with LED flash, face, smile and blink detection
•1080p HD video recording at 30fps
•Dual-band Wi-Fi 802.11 b, g and n support
•GPS with A-GPS connectivity; Digital compass
•16/32GB internal storage, microSD slot
•Accelerometer, gyroscope and proximity sensor
•Standard 3.5 mm audio jack
•Charging MHL microUSB port with USB host and TV-out (1080p) support
•Stereo Bluetooth v3.0
•FM radio with RDS
•Great audio quality
•Extremely slim waistline at only 8.5mm and low weight (116g)
•2MP secondary video-call camera
•Full Flash support and GPU-acceleration for the web browser permit 1080p flash video playback
•NFC support (optional, not without a software update)
•Document editor
•File manager comes preinstalled
•The richest video format support we have seen