Mark Hurrell has blogged some of his testing on Helvetica font stacks (including Neue) at http://blog.mhurrell.co.uk/post/2946358183/updating-the-helvetica-font

Mark Hurrell has blogged some of his testing on Helvetica font stacks (including Neue) at http://blog.mhurrell.co.uk/post/2946358183/updating-the-helvetica-font-stack http://blog.mhurrell.co.uk/post/2946358183/updating-the-helv... which is worth a read. Current recommendation is to specify sans-serif but with additional specifications for Linux: font-family: Helmet, Freesans, sans-serif;