Yahoo site builder is available to Yahoo customers. You need to find a similar/better site builder provided by another web hosting company at cheaper price.

check
Their site builder and control panel is easy to use. You can try a free demo on that site. Contact the online support on that site if you have any queries regarding site builder or web hosting.

I would say visit since I believe they have a site transfer tool. I have heard other Geo cities people move their sites over there so there must be an easy way to do it. You get free hosting with them and a free domain name. They also have a site builder tool that is probably the same as Geo cities. Give them a try, its a free host and you have nothing to loose.