OK. This is what I did.
1) after getting a little frustrated, I decided to just reformat the sucker. So I did! Back to original default settings. Now, I left it to DHCP. Now it has a REAL DNS server, instead of the address of the router. Now I can visit ebay.com, yay! But now sometimes I click the "Home" button, to go back to google, and I know that website never goes down; and sometimes it wont load it. Or if I'm searching some sites, via google, and I open a website, my browser says it can't find it. I think "OK" and go to the next site, and same thing. I don't know what's the matter. I haven't installed ANYTHING but the codec pack, MSN messenger, firefox, logitech software (for my mouse) and iTunes. I also have Ultramon, to run dual monitors. I installed the software for 1 the printer/scanner. That's ALL!
2) I tried your method. Let's see how it works. Even though i'm not sure. Do you think it could be the router? Because it goes from Modem/Router to another router. A wireless-N one (to get the most out of our network, since we have so many computers here and we're always filesharing).
Thanks again! And I hope you're not too fatigued by this ;).
Kent