What could cause the same browser on different PCs to render the same HTML differently?

Question

I\'m stumped. A client and I are both running Firefox 3.0.12 on XP machines. We view the same page in the same browser on different machines and have different results. Note: Al

Answer 1

How about your font smoothing settings - are they the same (none/antialias/ClearType)? That can change the width of a given text, and might just be what you're looking for.