The ASIC miners are a great thing to the network, making it much much harder to perform a 51% attack as long as the manufacturers pump out just as fast as they make them and don't keep them all for themselves.
Which is why I think they SHOULD drop in price and people SHOULD buy them and run them if they can purely to strengthen the network and do their part in the same way that people SHOULD run Tor nodes to help strengthen that network too.