Not sure what you are fishing for, but I can't see how 'cloaked sites' would get any more / less rankings with the current changes from the reading I've been doing (research papers on fuzzy logic, etc :) )
Was there anything more specific you were looking for?
I found a deep page where I had tried the fantomaster method of hiding meta tags from specific browsers, which doesn't stop SEs from seeing it. Anyway, noticed it is PR0. I don't know if it ever had a high PR or not, but I've removed that code.