There's fonts, boldness, underlines. All sorts you can do to make admins stand out, hell we've got the badge system, maybe that could see some use in that department.
I don't really see 'not being able to differentiate between admins and members' as any good reason not to do it to be perfectly honest.
I don't really see 'not being able to differentiate between admins and members' as any good reason not to do it to be perfectly honest.