I believe in giving constructive critisism, but in your case I think it'd be better if you started reading some tutorials on how to (do website) design. Both your forums' login page (we can't get to your forums without registering, and nobody'll do that just to see what you have to offer) and the site are extremely hard to read and there's no unity between the site and the forums when it comes to the look of both.
You know, if I was a mean person, I would not tell you this. The "main site" link goes to your Linksys Wireless G Router. If you are truely a "computer forum", you should know that pretty much the whole world knows the default password to a Linksys Router. You may want to think about changing the default password. Just a thought.
Upon closer inspection of your router config, I found out that the router's IP address is 192.168.1.135. When you look at your Port Forwarding, site and site2 are both pointing to your router. That is the reason that when I try to see your main site, I get your router. You need to forward these ports to other servers on your network. You still need to change the password.