Probably ain't nothing I haven't seen before....... Although I'm gonna skip clicking the link since porn sites tend to have a lot of malicious crap on them..... (per my "safe surfing" rules....)
Not more than other sites, they just have a bad reputation because people will equate porn with no morals and no morals with malware. According to Google, 10% of website do contain malware or did contain them at some point. Lots of them without the knowledge of the webmaster either through ads or more often because the webmaster doesn't know much about security and gets his server infected through some vulnerability.
This board is much more likely to infect you than a professional porn site with a good IT staff (and you can bet a good IT staff is important to a porn site since they make no money if the server go down).
However, as long you use a modern browser (ie: not IE) and you keep it up to date, your chances of being infected (short of being tricked into downloading something and then executing it) are slim. Javascript is designed to be run in a safebox and preemptively blocking it is, I feel, overkill.
However, if you are worried about really worried about security, use Google Chrome, it's the browser that's the closest to being bulletproof.
Oh and keep flash up to date to, it's one of the biggest attack vectors and being a plugin, browser can't do anything to protect you against it.