I too am curious about this. Being from Canada, the cut/uncut ratio is more or less even (being straight I truly have no idea, I'm just guessing) and I've had mixed reactions when the softy is seen.
I'm decently thick with giant hangers and a fair bit of foreskin to thicken things up so my dick looks decently impressive soft. Of the 8 girls who have been down there, 4 had basically no reaction and just carried on as usual. 2 commented on having never been with an uncut guy and seemed excited to get to 'play'. Of those 2, one commented on my size. On a hot day I'm about 4.5x4.5 (let's say 5x5 if I'm rockin' a semi or in a hot shower) soft at best and she said I was bigger soft than her last two boyfriends were hard. Tough luck eh? The other 2 girls were a little slow to get going with things, almost as though they were grossed out, but quickly came to like everything. Of those 2 girls, one (my current gf) says she'd take a (thick) uncut guy over a cut guy in a heartbeat now.
So to answer your question, you'll probably get about a 50/50 response here in North America as far as whether they like it more or less. I would assume in Italy you would get basically no response, since it's expected?