Depending on the nuances of implementation, it has struck me that the changes to the Acela fare structure have the potential to seriously hose the New York market. Why? All but one NYP-BOS Acela (namely, the earliest one) originates in WAS, and roughly half of the NYP-WAS Acelas originate in BOS. If tickets are, in effect, non-changable as a "no show" after the train leaves its origin, that really jams the market on that service. It's actually worse, in some ways, with the Regional (since a bunch of the NYP-BOS trains originate in Virginia).
This is actually bad enough that it might force me to consider flying to Florida and driving to DC...and that has me pissed.