The 700 series B&W does not need as much power as people hyped them up to. People, especially those who own decent amps (including me) would tend to hype things up, naturally I guess. The top end 800 series do need lots of power, hundreds of watts anyway.
Just a quick note on high power vs high current. This is also often hyped up perhaps because it is not easy for those without EE or physics background to understand, so they tend to go with hearsays and spread the words. The fact is, most decent (I know it may be hard to define what decent means) amps with decent power supplies are rated for 4 ohms. In that case, high power=high current=high power. In its simplistic form, power=voltageXcurrent X cosine of the angle between the voltage and current phasors so the two (current & power) are directly related such that we can't have one without the other.
Now if you are talking about entry level amps with weak power supplies, they will not be rated for low impedance loads and/or those with poor power factor (phase angle). In those cases those weaker amps will have trouble delivering the current but then they won't be, and shouldn't be considered as high power amp anyway. I would not consider any AVR high power, even though some of the manufacturers, such as HK refers them as "high current". When they say high current they meant high instantaneously current. Anything high that last more than a second or so would have such AVR's protective circuit activated.
On the other hand, I can hardly think of a true (typically speaking) "high power" amp, say 400W per channel that cannot deliver high enough current to those so call power hungry speakers, except for the biggies such as the B&W 802D and up. Those probably could benefit from amps of higher power than 400 WPC. And yes, at that level I would stick with power to avoid confusing the issue, current will naturally follow.
