Depending on the time of year you go I would estimate that you would spend $200-$450 for a standard room. This is at 2011 rates. Paradise Pier cheapest, Disneyland Hotel mid, Grand Californian most expensive.

Grand Californian is closest to the parks, in the middle of Downtown Disney. Disneyland Hotel is at the far end of Downtown Disney with the Paradise Pier Hotel not far from that.

PPH does not have as much to offer when it comes to restaurants and pools but the rooms are a nice size. DH has just opened their new pool area and a new restaurant & bar. GCH has several restaurants & bars and a great pool area. Both DH & GCH are steps away from many DTD restaurants. GCH has a spa.