I do think if we were to change the algo that PoS would be a good starting point.  Potentially do a PoW/PoS mix...  Just add the PoS on top of what already exists.

We all know what PoS can do for standardizing the price of coin but it may also may be an easy way to open the doors to the community members that don't have or better said don't know anything about hashing power.

Secondly, it would help against the 51% attack.  Some have mentioned certain individuals intentionally dumping and intentionally keeping the price low.  True or not this could happen.  Protecting  ourselves with a PoS would be a good security measure to guard against those that are against the values behind GUN.

If we wanted to update to X11 or X13 that could be a discussion for later down the road.