Non-paid review:
Good:
- Price
- Excellent speed
- Fast support
Bad:
- Only IP auth. I prefer IP auth, however I really dislike not having the option to use UN

W at all
- You have to login on the actual machine in order to auth it. There is no simple input box in which you could just drop the IP in. Really bad for headless servers.
- OP keeps saying "US proxies", but what he really means is "NY proxies". There are no other locations, so not sure why he keeps saying "US".
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All my IP's are on the same subnet. Example: 222.222.222.123, 222.222.222.124, 222.222.222.125, 222.222.222.126 etc.
That's really bad for account creation and I might have to switch because of that. Once one IP gets blacklisted, they are all pretty much fucked.
- The proxy ports change every now and then for "security reasons" and they DO NOT INFORM YOU. If you are like me and run a lot of stuff on autopilot this can fuck you over. Got your tools running for 3 days on the wrong ports and not 1 single link was created? Well, sucks to be you.
I'd recommend this provider if you:
- Have a static IP or VPS/Dedi (remember, you need to be able to browse their website to auth!)
- Don't create many accounts, or the website you are creating on does not care about subnets
- Babysit your tools a lot and would notice proxy downtime fast