Internet Security...for Mac?

I was recently linked to this website [by a jedi]. The image probably doesn't help, but I'll explain anyway. This company, Intego, is producing and actively selling Internet security software for Mac OS X. Sound a little odd?

Here's what the pictured software provides(paraphrased from the site):

- an Internet firewall

- an app that will backup files

- and virus protection

Now, to those of you still in Windows world, this may seem alright to you. But seeing how Mac OS X 10.5 basically already has all that built in, it seems like quite the rip off. 

Yes, of course, Leopard doesn't have any virus protection software, but considering what some say about Mac vs PC viruses, in Mac Land, the virus threat is none.

I guess just because you're smart enough to purchase a Mac, doesn't mean you're smart enough to realize you just spent at least $100 on unneeded software.

EDIT: One more thing... if it's "Must have" software...why haven't we heard of it yet?