Beg to differ. I played a few scrims there recently. Played exactly the same as the old lunar. The only dramatic change is the main hangar area but I think all the changes there were for the better. And it still has similar gameplay flow.
A classic version could get released if there were enough demand (and a mapper actually cared to package it) but this is the first time I've seen anyone ask for old lunar.
I am a fan of the new lunarbase The only thing that annoys me is the TIE Bomber in the main hangar - I think a TIE Fighter would be better to fight around as it is slightly smaller, has nice angles to shoot around and is cleaner to run under.