Reid was the one who turned Page onto Plant. TR turned down the gig because he had a commitment to tour with the Stones.
While YES, I think I'd really rather see a REAL Zeppelin with Plant, RP's voice is more or less fried now. From a musical standpoint, Reid still has much of what he had 40 years ago and would be better with the band musically.
But I'm not sure they should call it Led Zeppelin.
Whatever the guys do, I'll go see it. I'm really interested to see who their choice will be. What is really exciting though is that they stated that they aren't looking for a Plant clone. I