Anyone using Nuforce Ref 9 Mono Blocks?

I've just read some more reviews and these amps seem to really perform very well.

A friend of mine while auditioning the Nuforce 9SE at home, could not hear radio through is Tivoli One because of RFI problems caused by the amp. Reception was better when the NuForce was connected to AC through a shielded Siltech power cord.
RFI is a real issue with this amp.
As to my opinion I enjoyed some aspects of the sound, but I would not buy the amp. NO.

is this RFI probelm limited to nuforce, or does occur to all other switching amp. rowland, channel island...etc

> is this RFI probelm limited to nuforce, or does occur to all other switching amp

Can't speak for any other brand, but as noted above I do not have any RFI problems with my Bel Canto S300. It is a switching amp and is located about 12" from my tuner. I get both AM & FM just fine.

I am with Mlsstl. My Bel Canto M300s (the monoblock version of the S300) is superb in my system, driving VR-4 JRs. No radio interference, plenty of power, smooth, detailed. Can't compare to the other amps since I haven't auditioned them. And if it matters to you, the reviewers agree.