Yoi have to go with the feeling. If you feel you can contribute something that other members will find useful then I would reply to old topics
That sums it up nicely. If it's current / topical (again) then 'yes', if in doubt then probably 'no'.
iam sorry for bumping this thread , but seems the thread starter is Banned and he has to pay me 40$ for directory submissions. Also i see him banned and still online