VMWare Workstation install

Dear all,

1. Failed installing VMWare Workstation 10.* (WS) along with any
gentoo-sources (swept all stable and latest ~amd64 versions recent days),

2. seeing many solutions of remarkably few types re-appearing
on the net after several version bumps but still

3. having 0 (zero) stable versions of WS in the portage tree

I would like to ask you about the appropriate steps to make in order
to have a stable working WS on my Gentoo box without having
to mix things up with overlays (I never used them and unsure
about spending the effort for just a workaround).

Another question would be whether WS will ever go stable in the
portage tree (temporary state of the corresponding packages) or
this is the intended conduction of developement?
You know, a field Gentoo user never knows why is a pkg unstable...

Thanks for your time,
  toma