You talking spoilers as opposed to air brakes? The seeming de rigueur
method for reduced landing space is spoilerons (over flaperons). That's how I'm going anyway, as easiest to achieve, & less overall potential for harm to the plane.
Seems pretty much the concensus too - as I learned from a thread I started recently. You might want to have a quick read thru (it didn't run long....nor have to *LOL*)