While the east trend is nice, it's partly because the flow is very fast so the storm starts amplifying further NE than originally forecasted. Since the storm is riding a frontal boundary, this delay allows the boundary to slip a bit east a potentially give part of the area some snow.
The issue with that is that we're sacrificing a much more exciting storm for some wet snow that might not even accumulate in most areas. I'd personally rather get a 960 mb low over NH that gives us 60 mph gusts and severe weather than this. This strung out low (relative to what it showed) also means that the areas that will see all snow will likely get a lot less. I guess I'm a sucker for a dynamic bomb, regardless of how it impacts the weather for my backyard.