I think and maybe fear that the argument over reconciliation might have inflicted a mortal wound on the filibuster, but not in the way that liberals might have hoped and probably in a way that they will live to regret - at least for a time. On the one hand the filibuster will come out of this current scrap okay. Obamacare will pass or fail based on whether the House of Reps passes the Senate version of Obamacare unchanged. If the House passes it, the Senate version of Obamacare become law. The law passed the Senate according to the familiar filibuster rule. It got sixty votes in the Senate (as the vote was taken before the Massachusetts Senate election). The reconciliation process then might or might not (I suspect not) be used to make some changes in the version of Obamacare we get.
The problem will come when the Republicans again take over control of the presidency and both houses of Congress. The Democrats remembered how the Republicans in the Bush years threatened to change the filibuster rule (using weak and transparently self-serving constitutional arguments) to back the Democrats off filibustering Bush Supreme Court nominees. The Republicans will remember how a Democrat President who was a staunch supporter (and user) of the filibuster rule when he himself was in the Senate minority was happy to see the filibuster circumvented. They will also remember that he abandoned the filibuster in order to pass a major and controversial piece of legislation - exactly the kind of legislation that the filibuster, if it has any purpose, was designed to to moderate in order to garner crossparty support and broad legitimacy.
In the memories of many Republicans, the filibuster will have become a one way door in which the Democrats can pass things by ignoring the filibuster, but Republicans require supermajorities. And it will be a door that can be broken by fifty Republican Senators and an allied Vice President. It is easy to imagine that a Republican President with narrow congressional majorities will take such a path to undo many liberal policies and enact many conservative policies of that would not have gotten sixty votes in the Senate and therefore not have passed in so pure a form or perhaps not passed at all.
Liberals will have many complaints. The will argue that the "fierce urgency of now" had given way to the need
to do nothing until liberals are back in the saddle for consolidation and broad consensus for major change. They will also note correctly that they never actually changed the filibuster rule. But Republicans will remember the bad faith across decades, and the cries of the liberals will not avail.