You were wondering about Japanese news?
Three Japanese airlines are jointly discussing the creation of an hourly Osaka-Tokyo shuttle, with flights every 30 minutes during peak morning and evening hours. Japan Airlines Co. (JAL), All Nippon Airways Co. (ANA) and Japan Air System Co. (JAS) would increase the flights starting in July, when slots at Haneda are increased. They are envisioning something similar to the Washington-New York shuttle. The airlines would jointly operate dedicated shuttle check-in counters at either terminal.
The three airlines currently have about 15 flights a day between Osaka's old airport (ITM) and Haneda. In fiscal year 1997, only 19% of Osaka-Tokyo travellers flew while most of the remainder took the bullet train.
If it sounds like the airlines are getting too cosy, remember they are still competing against the monopoly rapid rail service, so the consumer is sure to win out. Both the airlines and Japan Railways have used Osaka-Tokyo as a cash cow. Now that they are competing more aggressively we will see lower fares AND better service.
(By the way, the Asahi Evening News has a story about this at http://www.asahi.com/english/enews/enews.html#enews_26979, but this will disappear in about 6 hours).