Let's see now:

If it's 6.5" 1" 6.5" I stay with my current mains.

If it's 6.5" 1"/5.25" 6.5" I upgrade to M60s.

If it's 1" 6.5" 5.25" 6.5" 1" I ask my divorce lawyer 'bout M80s if I have any money left.