OK, sorry, but clearly you are almost all close-minded. I can't argue with that kind of people.
Why would you want to argue? Let's just have a discussion.
How can this DAP be already perfect for you?
That means you have no criteria at all, whatever it is, it's perfect. It's completely impossible that you all like the size of the screen, the buttons, the way the UI works...
I don't think anyone said "all" are satisfied with the size of the screen, but many, including myself, are totally fine with the screen. I have a phone, tablet and a desktop, each with increasingly larger screens that I can use when I need a large screen. I don't need that on my portable audio player. I also doubt you will find many on here that say the UI is perfect on the X5ii. Gets the job done, sure. But perfect, no. And there has been criticism of the scroll wheel as well. Where are you getting that everybody says it's perfect as is and nothing about it could be better? It does work fine for me in my use, but even the touch interface on my iPod touch has quirks that bother me.
Obviously it should cost more if it comes with a 5" touchscreen, WiFi, kind-of Android... You add that, and it should go from $350 to $450 and not much more, $700 like the X7 is just nuts (keeping the rest of the hardware the same).
You can't add a 5" touch screen, Wi-Fi and Android and otherwise keep the hardware the same. It virtually all has to be different.
My smartphone costs $150 and its touchscreen is so responsive, it can handle everything and it's powerful enough to play any kind of game or app that is not ultra-resource eater. And that's $150. It can support 64GB microSD, it can call, speakers, 8MPx camera, Flash, it has 3G, full Android, WiFi, Bluetooth 4.0, NFC... So I'm so generous considering its enhanced version a $450 DAP.
There are several reasons phones cost less (larger companies making them, larger market vs. a DAP, etc.). Consider that companies really want you to have their phone so they can start selling you stuff through it. App stores, subscription services, ads, data mining/targeted marketing, etc. etc. all make companies money, so they can sell the phones cheaper. The last thing I need is yet another internet connected device pushing me ads and asking me constantly to try the latest "free" wonder app/program/service, that only requires a bunch of personal information from me to get started (and then begs me to pay for things constantly during use).
WiFi is not unnecessary, neither Android. For example, I would prefer to watch all my YouTube feeds (mainly musicians playing live, but also high quality audio videos) through this device instead of my smartphone. Android gives you a lot of customization, that's never ever unnecessary, if you're open-minded.
It's not about being closed minded. It's simply about having different priorities and opinions. Saying that if we were simply open-minded we would realize that wi-fi and Android are necessary is silly. I had an iPhone, and currently have a Windows phone and an Android phone. I know full well what their capabilities are. I don't need any of it on my portable audio player.
If it gets a touchscreen, it has these 2 options:
1. Cost $350 and make the audiophile features worse
2. Cost more and keep the audiophile features as they are. Hence, why the upcoming X7 costs more.
Also, you're not getting it. I always listen to full albums, and I don't skip tracks. So I also have plenty of the time the screen off. BUT the thing is HOW you get to the album you want, what happens when you want to listen to a concrete song, and that's what you're all missing. With a touchscreen, you can do any kind of task way faster than with 5 buttons. Sort the playlist, edit lyrics, edit tags, you name it.
You don't want infinite possibilities...
So you don't need an IPS screen, right? Maybe I'm wrong, but I thought the X5ii had an IPS display? Maybe not, but it's sharp enough and bright enough for me as is.
You neither want 400x360 pixels, that is too much pixels and have no impact in the sound, you neither want it to weight just 165g, this is not an iPod Shuffle, etc...
Anyway, if it's perfect as it is, you should not care about what other people request for future versions of the FiiO X5, cause you've found your perfect device right there. Meanwhile, I will keep saying that it really needs a touchscreen that is as big as the device, a completely refreshed UI, and if possible and keeping the price below $500, it should have Android and WiFi.
Again, I don't think anybody claimed the X5ii is perfect. I'm sure people on here would be happy to discuss their preferences for what features the next gen X5 should or shouldn't have. But when the features they want, or want it not to have, differ from your own, that doesn't mean they are closed mined. They are just different.