Digital BW, The Print

Has anyone tried Power Retouche's Black & White Studio plug-in, and 
if so what are your thoughts?  
I'm especailly interested to know if theres any image degradation...
SB

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "craig" 
<craygc@y...> wrote:
> For B&W conversions I always find controlling the channels (via 
> channel mixer or one of the dedicated filters availble) tends to 
give 
> some of the best results.
> 
> Something I find extremely powerful when presented with this 
endless 
> control over pre-filtering is not having to filter the entire image 
> with the same colour. I Pre-filter for specific parts then save a 
> snapshot (or mark as a History state), return to the colour image 
and 
> convert again focusing on other specific areas or the main pre-
> filter. When satisfied with the set of conversions I choose the the 
> most complete version then, one by one select the others as a 
history 
> state. Then with the history brush and setting the transparency 
> level, paint the coresponding areas into the main conversion.
> 
> I find this offers a lot of control of those 'difficult' parts (eg 
> shadows) with the least destruction.
> 
> Just another approach...
> 
> regards
> Craig / Beijing