Windows or Mac? Which version? The new rendering engine should have prevent the text overwrites. Safari 4 offers the ability to zoom the page, including graphics, while keeping the formating and relative sizes of screen elements...
Mac, Leopard 10.5.7, the latest Safari 4.0.2 .
I was just shopping for a cell phone and had to switch to Firefox in order to read the prices because they were co- mingled with the descriptions.