It's just €5 / $5.25 / £4.15 a month. They haven't changed that price since launching in 2009. So they've also been around a while. Does everything you need a VPN to do. And they're based in Sweden, which seems to have some good privacy rules. They also don't keep logs.
The latter.
Seedboxes are becoming more popular these days, which might be good for future torrent preservation. But if you have a niche or old school taste, you are gonna have a hard time without port forwarding.
Sadly doing it on the router would not be enough. Not a problem if you are browsing of course. But if you host, needs to listen on a specific port or whatever it gets annoying. And obviously piracy.