'The S639F works well one-handed, and the mainly list-based browsing options, with album cover thumbnails, make it easy to track down the audio or video track you're looking for.'
'video delivery is colourful and sharp, though the arched screen – the edges of this unit are bevelled, which leads to four fairly sharp corners – attracts some reflection.'
'Shortcomings like occasionally unresponsive controls and weak video support are disappointing, but the overall good looks, top-notch user interface, and value factor cancel them out.'
'Samsung's been a little stingy with the screen.'
'The slim, candybar shape with the screen at the top is simple but effective.'
'the images are very clear and there isn't a slight hint of blurriness.'
'The second-generation (2G) Nano shuns simple white and steps out in a metallic colour parade, with shiny silver available in the 2GB and 4GB flavours; bright pink, green, and blue offered in 4GB;'
'Lacks radio.'
'The iPod nano is the single best selling portable MP3 player in the world'
'I had trouble even finding suitable video to use for my tests: The device supports only certain .avi files and variants of Windows Media (.wmv) files.'
'The main issue is the control pad--it's just bad.'
'Sluggish UI.'
'The video was grainy and exhibited poor contrast, and bright colors--especially yellow--appeared blotchy and badly pixelated.'