With the new mobile and desktop redesigns, surely the simplest way to freshen the forum would be to flip to a Helvetica / Arial typeface, and that would go a long way to matching the forum look to the current styles being used.
The theme of the forum colour wise it don't mind at all. Tahoma just seems out of date these days.
The theme of the forum colour wise it don't mind at all. Tahoma just seems out of date these days.