Surely Netscape can restore the tabs from previous session if you happen to close the window by mistake? I think that is essential feature in a tabbed browser and one of the reasons why i'm using Opera :)
(gem) Hvis du ikke ønsker at andre kan se hvad du laver, kan du skifte over til "cloak mode" i indstillingerne. (Kun for betalende medlemmer) (pauloaguia) (vis alle tips)