#1
Question... 

Is a 1972 Marshall 50 watt 1987 head gonna sound good with a 70's Marshall 1960B 100 watt cab? 
#3
only if i play it first, but i'll only need the head to test it.
I wondered why the frisbee was getting bigger, then it hit me.
#4
You're talking about a truly classic rig there, so as long as both are in fine working order, you should be set for life.
"Maybe this world is another planet's hell?" - Aldous Huxley