Bria Enterprise has a central directory but that's just for Bria it doesn't sync with Yealink handsets. Ringotel has a feature where you can add a directory to your softphone but it's also in Yealink XML format so you have a single directory sync'd over the handsets and softphone's which is pretty cool.
Support is VERY good, I'm pretty sure they never sleep.
On the looks side I agree and even emailed them about it but they advised if we whitelabel (which is very reasonably priced) we can pick all the colours. The softphone for the mobile device I think is really good, the desktop softphone needs a bit of work but still usable and feature rich.
I'd be keen to hear more about your experiences with your Ringotel rollout.
It would be great if there was a Ringotel QR code app for FusionPBX like Zoiper and Sessiontalk.
@arroinie any plans for that on the roadmap?