This is a fantastic product and as expected from iRiver, very pleasing on the eye. However, the quality of the hardward is once again let down by the software with a very confusing navigation system, fiddly buttons and a distinct lack of back up and support. Also, there does not appear to be any software developed (such as iRivium for the iHP 140) to assist in managing the music files. If there is it is not publicised anywhere and does not come up on any searches.
The unit has a great feel to it and the quality of both the picture and sound is superb but you just get frustrated with the navigation. For example, if you are watching video (or listening to music for that matter) and want to fast forward you have got to hit the navigation button at the correct spot at the right angle otherwise it does something completely different.
In terms of file transfers then this is very easy. You simply plug the unit into your PC and it opens as a seperate hard drive. You then drag & drop files into it at will.
One thing I will say is that it takes time to boot up when switching on and I have had to sort my files into seperate music folders (A-D, E-K etc etc) which makes the booting up quicker.
The DB scan (which supposedly sorts in genres) is little more than useless. I still haven't got it to work and is conflicting with the number of files despite the number of songs being well within the memory.
Similarly there was no software available when released that enabled you to copy DVDs for playing on the unit although some iRiver enthusiasts seemingly developed their own via iriverter.com which works absolutely fine (there used to be a small charge for the software - not sure now).
I have read previous comments about poor battery life. I have had absolutely no problems with battery life and have used it for ten hours straight and it still had some charge left. Also, the unit does not need to be plugged into a computer to charge up - just plug it in the wall.
The unit itself is chunky which I suppose goes against the small is beautiful ethos these days. However, it looks and feels solid, is comfortable in the hand, is pleasing on the eye and comes with a little stand on the back so if you are on a plane it is great when watching movies. I wouldn't let the size put you off.
This would be 10/10 if the software/navigation/back up was any good but as it is still rates a 7/10 for the quality of the sound and picture.
When you are used to the navigation then it is a very pleasing product although I suspect people will give up on it by this stage. It's a shame as this is a product that could go far and give Apple a run for it's money if only they sorted out the simple things.