If these names don't ring a bell, don't worry about your platform choice and try to find something that suits your other requirements. As far as your site's functionality is concerned, try to understand what kind of interactive stuff you might want in the future. If your only aspiration is to have a site with a few pages and no scripts, you are safe with any plan. If, on the other hand, you need to be able to write your own CGI scripts, that's a significant requirement right there. Make sure you include it in your search criteria .
Space is usually easier to estimate and buy.
Most web hosting plans come with at least 10 megs included and that's plenty. If your site is going to be heavier on the content side, make sure you read the pricing details for storage space. A trickier parameter is estimating the amount of bandwidth you'll need. In simple terms, the more traffic you get, the more bandwidth you consume. Perhaps, our calculator can be useful for such estimation.