My favorite is a Martelli. Yes, pricey, but if you go to their website and sign up for redline specials, they have very good sales (Jan was 50% off one item). It's yellow on one side, purple on the other, and the numbers extend outside of the grid. No smell, and it can be bent/rolled and doesn't crack or break.
Second favorite is Olfa. Hated June Taylor, and my Fiskars didn't last long.