A lot of the weapons are not star wars as such, however all is not lost. Maybe worth bundling them up into lots and as for the parts you could do the same if you cant find what goes with who. Custom figure builders may well be interested in these, don't be expecting nuggets of gold any time soon though.
Ralph Mcquarrie concept series 30th anniversary figures
2007 gold sqn Y wing also the vintage collection Y wing
Legacy collection AT-TE