[WIham] BPL on a personal scale?

[Tom Peterson]

http://www.wdc.com/en/products/products.aspx?id=310

How much RFI will your neighbor cause you with these things?

Their message board has an 'honored contributor' who seems to think that 
'HAM-heads' have nothing to worry about.

http://community.wdc.com/t5/WD-Livewire/RFI-Matters/td-p/144424

Have any of you had any first hand experience or knowledge with the 
equipment in question?