If you're going the Internet Cafe route, I can advise that on Cephalonia we found good Internet Cafes near the harbour in Argostoli and on the east coast at Sami (probably best one) whilst Ay Eufemia and Fiskardho had moderate ones (info good in Sept 2007)
-------------------- Whilst you can have anything you want in this life, you can't have everything that you want; so choose carefully.