Well, a service (free one) I found useful is allp2ptv.com - though their TV guide lacks some channels but it's probably because they are rather young. Being a fan  of racing I prefer to watch MotoGP and F1 live at www.live-racing.tv  The other site with rather profound schedules for online tv is www.myp2p.eu

Does anyone know where to watch (Cricket) Worldcup online. ?? thanks www.onlinevideopunch.com   

TiVo and Amazon are partnering to bring movies and internet video to TV via customers TiVo set-top boxes. Under the program , TiVo subscribers can rent and purchase TV shows and movies from networks and studios like Viacom, CBS, etc. thanks www.onlinevideopunch.com