That's my hope as well. For too long, the domestic carriers have sold essentially the same product, with minor variations. It would be good for consumers to have a genuine choice over the level of service they get in coach.

Skybus and perhaps others can offer the most bare bones product. Others, such as JetBlue now and Virgin America shortly, can offer interesting amenities, like in-flight entertainment systems. United's P.S. service is also pretty impressive.

So many FTers worry that Skybus might cause the other carriers to race to the bottom. I don't think that will happen.