ADTG just checked out S&V on that NAD, Specs out about what some others have done continuously load. If I remember right others test out , pretty close on a continuous load. 0.1 @ rated 8 Ohms. For 13 bills could pickup a Flagship a couple of years old on accessories4less.
Denon 3400 ($1K MSRP, $600 street):
147.6 watts x 2Ch, 8 ohms, 1% THD
176.6 watts x 2Ch, 4 ohms, 1% THD
106.1 watts x 5Ch, 8 ohms, 1% THD
80.8 watts x 7Ch, 8 ohms, 1% THD
NAD 758 AVR ($1300 MSRP):
113.6 watts x 2Ch, 8 ohms, 1%
164.3 watts x 2Ch, 4 ohms, 1%
95.3 watts x 5Ch, 8 ohms, 1%
77.8 watts x 7Ch, 8 ohms, 1%