The thing is, Sky3DS is pretty limited even for playing games. Unlike GW it doesn't support digital games, DLC, seamless region free, a quick and painless game select menu (instead you have to slowly cycle through the games in your mSD), trimmed ROMs (meaning that much space will be wasted in your mSD and you won't be able to store as many games as you would if you used a GW) or mods. Plus you better hope you never run into a game that doesn't have a template for it. And you must live in constant fear of your Sky3DS getting blocked at some point, after which you'll have to choose between stopping updating your system and limiting your games library (as Sky3DS doesn't support fw spoofing or emuNAND), rendering your flashcart unusable, or buying a second system. Even though Sky3DS fanboys like to preach about how unblockable it is, hackers have claimed that it's detectable, so it should be perfectly feasible for Ninty to block it at some point. That it hasn't happened yet doesn't mean that it won't (just like with online bannings; previously many people thought they would never happen).