Import issues in Rhino panel, GH1, V8

I have been reporting issues with importing external models into Rhino space through the native components in V7. I had a high hopes with new Rhino panel just to discover that an old Human plugin is still superior to the new one:

You can see that imported content is not filtered by the layer name.
The Import button is not importing too.

I have to say that I really appreciate the effort with the new Rhino panel but, on the other hand, it seems overdone and convoluted - something that is more G2 than G1. It represents different approach with gathering and passing information and it is not easy to merge these ways.