B&H has the new Rokinon 50mm f/1.4 AS IF UMC lens in stock and shipping. The lens is priced at $399 and is available for Canon, Nikon, Pentax, Sony A and Sony E mounts. Note that the Sony E mount version is not listed as in stock yet. It ships with free expedited shipping. Check it out here at B&H Photo.
The new Nikon D5500 is in stock and shipping. Recall that the D5500 was announced earlier this year at CES 2015. It features a 24.2MP sensor, EXPEED 4 processor and no optical low-pass filter. It has other solid specs like 1080/60p video capture, a 39-point AF sensor and captures still frames at up to 5fps in continuous shooting mode.
The D5500 is available as just the body only or in kit form with the 18-55mm or 18-140mm lenses. Check it out here at B&H Photo.