I have a slower Internet connection at home, and this site is unusable there. It takes a good minute for page loads. I get around 2 mb download speed there. At work I have 50, and the site works fine.

I'm mentioning this because I CAN use the other stores from home - DAZ, RuntimeDNA, etc. So essentially you are gong to lose any potential customers that don't have fast broadband. I'd really take a closer look at the amount of data you are trying to push across the wire. It it were any other type of problem it would be slow in both places.