Was pretty much a sure fact that HBO had plans for a TV series based on the George R.R. Martin’s A Game of Thrones, since they announced some while ago the cast of the future TV show. But what was not known was this. When the heck they will start filming it? For about an year I heard rumors about a pilot, then nothing. But now, some official-confirmed facts have surfaced to our attention. First, Sean Bean is officially in. This is confirmed. He will play Ned Stark (read the …