Emulator sections when I see them tend to be more for emulators of a device than emulators for a device.
Anyway my general checklist/thought process here.
Dev modes can certainly count. However the nature of any restrictions can play into the final decision. Going into the future the concept of homebrew, then PD, as it was invented for Japanese game consoles (and then the xbox when that appeared and followed methods used) is going to be increasingly hard to define, at least until we run into
Anyway that is getting off topic.
Is this restricted mode likely to yield anything useful? For reference see things like blu ray java, javascript/HTML (there are full emulators and all sorts running in them now) and flash. They all had small quirks (I recall the wii video streaming thing using the browser). While not full access there does appear to be enough relative computing grunt to be useful, possibly even to the point where *points at raspberry pi* is not necessarily a viable counter. I feel like I should probably contemplate PS2 and PS3 Linux here, however I will let history speak to that one.
Is the dev mode reasonably able to be accessed? Unlike the Wii U one and the Vita one, possibly even the XNA stuff from the 360, this seems to be a small one time charge and basically anybody is then free and clear to do whatever they like. To my mind and from a functional perspective this renders it no different really to buying a mod chip or flash chart. I know we had fanboys of flash carts and mod chips, and worse still at times free custom firmwares, but to stop things because of those would appear like one of those baby with the bathwater situations.
I would like to see full control rendered available to anybody with the means to display a web page or pop a USB drive in their machine, or indeed solder something, and absolutely support efforts to that end. This does not detract from that, other than if the favourite slide from the peeps that did the wii, ps3 and such presentations still applies and by giving this sort of access it prevents some of the better minds from needing to go there, something which is at best an academic or security discussion if you are a company making a locked down system. If further down the line this causes a further discussion then so it goes, or alternatively we had 360 DVD mods and JTAG/RGH (I would say king kong but again history) existing side by side without major issue.
Emulators vs the world. It does make me shake my head when I see people skip over non emulator homebrew and consider it just emulators for the likes of the GBA and DS, a bit like when ROM hacking is assumed to be mario level makers and translations. Going back to my thoughts about the future then I am not seeing the scope for another real homebrew boom/community like we had for the GBA, DS, PSP, xbox and Wii (3ds deliberately omitted from this list) as far as framed around specific devices. There will always be people making cool stuff because they want to but these days portable computing devices with enough grunt and ease by which to run stuff exist, small cheap things with enough grunt and theoretically even greater ease to run stuff that plug into an HDMI port exist and we still have computers/laptops but they are now cheap enough that I know many people buy them with specific tasks in mind that would never have considered that 10 years ago. While I might like to see a further merge between portable devices and everything else that seems to be a bit far off being able to drop a phone on a wireless charger and have it beam to a screen somewhere nearby. To that end the days of device specific general homebrew are either over or very much limited.
With that said emulators alone are enough to carry a section and I don't feel the need to make a distinction there.
To that end and if my understanding, admittedly still hazy on some of the specifics, is accurate and there is scope for near anybody to get a dev kit of a sort from a retail device with a small charge. There is some desire for these things, possibly even beyond the usual "my device and thus my rules; give me all the freedom I can have" set, and better yet there is already a steady stream of work happening. While I would probably consider the steps trivial it is still worth a hand holding tutorial for some, said some that might at the same time have no trouble with a variety of other devices. The xbox console family is also in line with what we do here; few devs ever raced to mirror news here but I am quite happy with how the 360 section went on this site, and though it was quite often after the fact (IRC was a different matter) the original xbox discussions here were also good. My only real misgiving is thus far I have seen a lot of "here is how you do [some specific task which in reality happens in an almost identical manner to everything else]", and that is a only just above minor stylistic quibble.
Seems like grounds for a trial section if nothing else.