Yeah, they're currently doing things that no other device manufacturer has done. Touch-based recovery instead of 3e with volume up/down. They released an official custom ROM which is signed so it can be flashed through the stock recovery. They work with any developer who wants to get information about their the device (CM/XDA). They release firmware betas on their own forums so people can try and discuss. On social media they even show videos on how to root and install custom firmware.
The best part is that they are releasing high-end hardware. They were the first with a 1080p display before all the other guys like HTC and Samsung were doing it.
On top of that, when Apple stated the iPhone 5 was the thinnest phone in the world, they were wrong.. The media said it was the Moto RAZR, but it was actually the +OPPO
Oppo has been a top notch company for a long time. Way better than Samsung, HTC, or any of the other guys. Their build quality is high and they are doing great things. If you don't know the name Oppo, learn it.