rebuild suggestions

ok, since I know that my cracked block wont last forever glued together.

I am looking for direction on rebuilding the spare. don't want to go broke rebuilding it so the pricey rod/piston combo are out. mostly a cruiser for the street.
is a re-bore with stock style replacement pistons and milling the block ( .120 off the current )my best option?
I have a Ported head, Hurricane intake and Clifford header on the current engine with a erson cam. 904 with a decent stall. Hoping to reuse most if not all of these on the rebuild.

Thanks!