Hi, I don't have experience with the 06 but I do have the Olive 4HD. There are many things I like about this unit although there are some 'issues'. I figured I'd chime in because the issues I have with the 04 I'm pretty sure are overall Olive issues and not model specific. Starting with the positives, 2 TB of storage is a ton of room. Accessing the unit via iphone/ipad is very convenient. The O4 has an internal DAC which sounds ok but I bypass. I read the 06 is similar but its internal DAC sounds pretty nice way better than the 04. The user interface is a little frustrating. The front user interface is touch based and doesn't always respond to what you are touching, or it takes awhile of leaving your finger where you are trying to touch and maybe it takes maybe it doesn't. This can be very annoying when typing in meta data details like album or title. I don't think Olive has completely figured out how it wants to cross check meta data info from a third party source like gracenote so depending on how you transfer files to it, you need to make sure the files are split and titled right before you transfer them. You can edit once they are on the device but it's not a fun process and would be nice if the machine could just reach out and get the info for you like I've seen in other devices. The device can be also access via a web based format which is ok but still needs work. It is slow and a little clumsy at times. Another peeve which I think they are working on, is you can only shuffle if you make a specific playlist you can just go to an artist or genre and hit shuffle like the ipod. Also note that Olive's data retention is proprietary, this is a fact that has me terrified because g-d forbid they go out of business once I don't know how the data will be able to be manipulated off the device. I've tried queuing them on this topic and they are not responsive. Once the data is there it's there the only way off is to rip a cd or send them the device to get it off for you. So to sum up I really like my Olive but I think that's because I'm completely sold on the idea of a music server(not a pc but an actual piece in the rack that holds all your music) would I recommend to friends/fellow enthusiasts, yes but with some caveats and reservations. I think Olive is aware of their shortcomings and working on making them better. I sure hope they do.
