I do own the Dingoo A320 (the only one that I do own). It's great for what it does, but it could be a little faster. Then again, I bought it five years ago, so I imagine that technology has increased quite a bit. Apparently things run better if you use Dingux (Dingoo Linux), but I've never been able to get it to run reliably on my Dingoo for some reason...so I just stick with what it can run out of the box.
As I've had the Dingoo for about five years, I'm looking to update it to something better. It's still chugging along after all this time, mind you, and doing a fine job (it really is a nice device, especially since I only paid $89 for it). But, the screen is small and it's getting worn...so I thought I'd ask in case this was the device I might consider.
The specs don't seem to be that much more advanced than the Dingoo, though. So I may go after one of the Android devices that have controllers built onto them instead (Android emulators run really well if you know which ones to buy). I'll wait and see.
Thanks for the info.