WB 100th 25-Film Collection: Volume Two - Comedies, Dramas & Musicals is the only one still available. The rest sold out from Amazon and most are only available from 3rd parties at higher prices. I guess some people were interested in these sets.
Using the above link if you check other sellers for Volume 1 Award Winners for the sold by Amazon listing for $85. It is sold out and will arrive after Christmas but can be ordered.