Here are all the other options.
Some of the popular decoders for the Broadway Ltd BlueLine series have been hard to get.
The Digitrax DN143IP is being redesigned due to a component change. This process could take 8-12 weeks. The DZ143PS is a very good substitute and is in stock.
The NCE N14IP was sold out for a while due to the BlueLine demand but is in production and becoming available. The NCE Z14SRP or the N12SRP are also good substitutes.