I have been using nothing but flouro (favorite is yozuri highbrid pink)
I hate andes, just won't buy it(sucks to tie and way too stiff) I just bought a spool of 50 lb nylon leader (store was out of yozuri) for $5. It feels much more limp than the andes flouro. Does any one use this for stripers? Was wondering about the visual aspect once underwater.
I know it would be fine for most bottom dwellers but really think leaders make a big difference for success. Does anyone run nylon leaders or have at least tried?

generally speaking stripers aren't very line shy, that being said I use seagar 50# flouro - more for the abrasion factor. if the water is super clear (chatham) I bump it down to 30# flouro

You know, I'm somewhat of a gear junkie, always on top of my stuff, yet I've been using Ande 50-pound mono leader material for nearly a decade in the surf and have no plans on changing. Granted, the majority of my bass fishing takes place at night, but even during daylight I've never believed the leader was an issue. Of course, there are situations where the 50 isn't necessary and I'll take it down to 30, especially with light tackle, but the 50 has treated me well over the years in heavier surf applications.
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Very similar here. 50lb power pro main line to 50 lb Berkley big game mono for my leader.
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Ande 50 or 60 # mono for years as leader...

Pink ande 50 for me. 1/4 spool will last me forever
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Big game 50#. never a problem.

Ande 50 on the heavier stuff, yozuri 30 flouro on the lighter stuff.
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has anyone tried the nylon leader?

I tried the Jeros 50-pound nylon leader material once. Bought a pack of it once in a pinch to make seabass rigs. I didn't hate it, but I didn't love it either. I do use the same stuff in 20-pound for sinker droppers on three-way rigs. Cheap, so I don't mind burning through it.
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Jinkai mono, 30-60 lb depending on plug/bait and structure. Knots easier and better than other heavy mono IMO. Good abrasion resistance. Not too $$.
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Momoi's 60# mono.

Jinkai mono, 30-60 lb depending on plug/bait and structure. Knots easier and better than other heavy mono IMO. Good abrasion resistance. Not too $$.
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X2. Jinkai clear. Except. 60-80 depending where I am fishing. Most the time no less that 4ft leaders and a couple places that I fish are like razor blades on braid so I run a 5ft plus 80# leader Never broke off a fish there with that setup.

Jinkai 80 is very supple and ties really nice. Been using it for many years.
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Big Game 50.

has anyone tried the nylon leader?

Hey Jonesy,I'm sure at one point I have used nylon but since I can remember I've been using Seagur 50# floro.
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Seagur 50# flouro here
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Jeff I use nylon leader to tie bottom fishing rigs because there's no need to use expensive floruro when your continuously loosing rigs on the bottom I use 50 or 60lb for tautog. 30 lb for seabass and 20 lb for scup and fluke. It's pretty durable also I fished the same rig throughout the entire commercial tog season and didn't break off a fish.
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Ande 50 or 60 for most of my surf fishing.

Ande mono leader mostly for leaders in the surf, even though I know Momoi knots easier and costs more or less the same. Did a stint with Seaguar fluoro but other then maybe daytime pencil popping I could never be convinced it matters.

Tradition I guess, much like a few others above. Never had an issue so I haven't really changed over the years.

I started off with 50# Berkley Big Game years ago and then switched to all manner of fluorocarbon when it became the "in thing" to use. Stuck with it for many years, constantly convincing myself that it was worth the cost. Then a few years ago I "experimented" with the old 50# BG that treated me so well and was very happy with it. Gave 80# Jinkai a shot and really liked it, but saw no advantage over standard mono and have settled on 60# Berkley BG. The one thing I do differently with mono vs. fluoro leaders is change them more often. While a 25 yard spool of fluoro gave me 15 leaders at best, a 235-yard spool of 60# mono gives me around 140 leaders and costs half as much as the fluoro spool. As 99.9% of my surf fishing is done after dark I feel fluoro serves me no benefit as far as invisibility, and I combat its durability by a willingness to change to a fresh leader at the first sign of damage.

I'm surprised you are still fishing short leaders with swivels. That may be fine for eels, but if you are plugging have you tried an FG knot and 8-10 feet of fluoro? Position the knot between your first and second guide with the desired over hang. I think this setup has lots of advantages, although I like fluoro with it since it lasts longer than mono and retying the knot is a bit of a pain (about 5minutes worth).