Isn't it acceptable to use a cheaper multi as a cross? I'm using Hexy Fiber 16, which is supposed to be a fragile full bed. I'm getting good softness and a lot of feel. I'm stringing it 5 lbs. higher than the Cyber Flash 1.25 mains. It goes for only $6.95 per set.
Dunlop MuscleWeave 200G 95, Cyber Flash 1.25 / Hexy Fiber 16 @48/53, dropweight stringer