3d-io GmbH has just released BonesPro4.10 which includes a good BonesPro-to-Max-Skin converter and soft selection, making it far easier to integrate into existing pipelines with a single buttonpress.
Soft Selection Weigthing
BonesPro offers now an effective selection enchacement with its integrated soft selection for vertex based weight adjustments. This enables artists to fine tune the weights in critical areas in a way that blends smoothly into the surrounding mesh and avoids undesired rough wrinkles of the surface.
BonesPro<->Skin Translator
BonesPro 4.10 delivers a simple solution to transfer all Vertex Weigths to Skin and from Skin back. This makes it possible to immediately use existing exporters, file formats and game engines that have support for the default Skin modifier.
They have a 30-day trial available for download, and the full version is available for 299 € .