Support is quite responsive and nice, but they can't compensate for the lack of documentation. The user interface is bulky and consumes way too much space. The editor is OK, but why not just use the standard Joomla one? Why re-invent the wheel?
In addition it is not lightweight. It will most definitively slow down your website. In summary, if you have a big website, are techie and have lots of time, go for it. On the other hand, if you are just starting and need a quick commenting plugin / module, this is most definitively not for you. You have been warned.
Thank you for your valuable feedback and we take every feedback very seriously! I have to agree that we are lacking on the documentation part for the settings but most of the settings that you see in the component comes with a great amount of tooltip when you hover over each of the settings.
As for slowing down your website, we have not received any feedback from our users that slows their site down, so far. But if you have any issues at all, please feel free to post them on our support forums :)
We would really like to hear more from you and we hope that we could work together and get things straighten out.