As a general rule, power amps do not benefit from balanced power devices (which both your candidates are.) What power amps want is LOTS of CLEAN power out of the wall (preferrably using a 10AWG PC to facilitate good energy transfer.)
Since you don't have a dedicated circuit for your HT (the best and cheapest solution) I'd recommend a power REGENERATOR unit like the ExactPower EP-15A, one of the PS Audio "Power Plants", or the Audiophile APS 1050 Power Solution.
I don't think either of the manufacturers you're considering make regenerators, but it's been awhile since I checked their line-ups.
.
Since you don't have a dedicated circuit for your HT (the best and cheapest solution) I'd recommend a power REGENERATOR unit like the ExactPower EP-15A, one of the PS Audio "Power Plants", or the Audiophile APS 1050 Power Solution.
I don't think either of the manufacturers you're considering make regenerators, but it's been awhile since I checked their line-ups.
.