I can vouch for Denon being hi-current. I've 'played' around with some Denon receiver models, and they have 'balls.'
Receivers:
NAD
AMC
Creek
Denon
Yamaha
Sony ES
Nakamichi
Marantz
Pioneer Elite
Outlaw Audio
Though, I'd recommend an integrated amp, (like others) if she doesn't need a tuner or any 5.1 stuff. You'll get more for the $$$ with an int amp.
Receivers:
NAD
AMC
Creek
Denon
Yamaha
Sony ES
Nakamichi
Marantz
Pioneer Elite
Outlaw Audio
Though, I'd recommend an integrated amp, (like others) if she doesn't need a tuner or any 5.1 stuff. You'll get more for the $$$ with an int amp.