THESTOKIE-
I know people love the huge resolutions, but most people who visit sites such as yours are people who are in need of a certain product for a lower price, like CDW or TigerDirect. A lot of lawyers (believe it or not), are into this stuff, and they do it from their law firms at work. My dad (a lawyer), says that most firms use the same computers, and they are all made for the 1024 x 768 Res. I think next time you make the site, you should switch to 1024 x 768, so you can see how it looks. Then you can modify from there.
Another alternative is to make naother 1024 x 768 site template, but use the same content, just alter the table proportions.
Hope I helped and Thanks,
Saul.