It was reported in May, but NBA commissioner Adam Silver has confirmed that the NBA will have off-site instant replay in place next season:
Adam Silver: Competition committee met for 10 hours this weekend. New replay center will be based in Secaucus, N.J.— Scott Cacciola (@ScottCacciola) July 16, 2014
Silver: New Replay Center up soon and will be experimented in WNBA in September. Ultimate decision still with refs.— Marc J. Spears (@SpearsNBAYahoo) July 16, 2014
You'd have to be the biggest contrarian on the planet to have a problem with this. The whole process takes way too long as is, and having someone reviewing plays at a central location should only speed it up. It only ever made sense for the board of governors to approve this.