Digital BW, The Print

Some of us here in the UK just participated in a B&W print exchange which highlighted an 
"issue" with certain papers.   One of the prints was on "Innova Smooth Cotton Natural White 
315gsm cotton rag paper".  I was shocked to see this print flickering in the light as though 
there were extremely fine grains of glitter in the paper!  Once noticed it was quite distracting.  
(Lighting conditions are 4700K/300lux)  Knowing that Innova's cotton papers are basically 
the same as both Permajet's Alpha/Omega range and Mandev UK's Eterna Excel range I 
decided to take another look at these papers too.  Sure enough they all exhibit the same very 
fine glitter effect in their coating.  Thankfully HPR did not have the same problem.  Anyone 
else noticed this?  This pretty much writes these papers off for me (although I can buy HPR 
rolls from Jim Doyle in the US cheaper than I can buy any of these papers in the UK anyway).

Steve