Doing so will allow me to rescue them all at once before the site shuts down (I have a program that lets me save multiple web pages into a single file). Your hard work shouldn't be lost just because the site dies.
jpopasia's registration expires in October, and with it being so dysfunctional for so long (not to mention the owner being MIA) it will likely go completely offline (like what happened with www.veehd.com )
When it DOES shut down, here's a section on a forum for fans to fall back to -