I'm curious to know how the gentlemen view our manicures. What is your preference? Long, bright red talons? French manicure? Natural and short? Does it come into play in your fantasy?

Any of the styles you listed work fine for me if they are well done (clean, evenly trimmed, fairly consistent with the rest of the look). And of course you want a look that you feel good in.

But in my heart of hearts, I'd say bright red and a little long, but not dangerous. I personally find makeup, heels, perfume a huge turn on and don't mind at all when sexy comes with a hint of slutty.  

FWIW

Natural, medium length well manicures nails, painted red on a lady with fuck me red lip stick on.
Especially if she come across as sweet, nice, classy lady.
Something about that type persona with those nails and lips does it for me.

Agreed - red looks nice.  Nothing too complicated.  It just has to be on par with their equity/image.

Well manicured, red/pink medium length nails are part of the package I enjoy (along with lingerie, stockings, and heels). Always happy to go with the flow for what makes the lady comfortable and desirable, of course!

Met with a young lady not long ago who called me on her way to the nail salon to ask my preferences. Made the meeting even more special!

+1.  Red and long, plus the glam makeup, and sexy with more than a hint of slutty.

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but I've seen a few highly artistic sculptured nails that are quite attractive.

Dark red toe nails are quite a turn on also.

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has been said, the overall look is important. Long nails with a nice dress works but long nails with short shorts and tank top does not match.

If she's planning a surprise prostate massage.  

I totally agree with CDL..  
In my opinion as long as the nails are neat and trimmed then I am good to go..Colors are not a big deal to me.
I have spent time with ladies and really didn't pay any attention to their nails.
I was kind of focused on the rest of the scenery..just saying😍

As long as they are clean and trimmed with a clipper vs your teeth,  I really don't care about colors, length, shape, real, fake, etc.

I'm looking at the face, the eyes, lips, legs, ass, boobs...I'm not going to notice the nails unless they're waved in front of my face.  OTOH, there is one thing I like about long, fake nails: they feel good on my back.

Red, classy, and not too long.

You can grow out your own nails this way

I think acrylic nails can be nicely done and very beautiful on a women if there done correctly. Not some gaudy design or what not. But nails on a women are very feminine I believe. I actually think clients appreciate that a women puts themselves together well.  This is just my take on it.