I would prefer Dragonball over GT, that series to me had too many plot hole that conflict with established plot in Z.
That would be awesome if they would release Dragon Ball on Blu-ray. My only concern would be that they would crop the image. If that happens I may just go ahead and purchase the rest of the Season Sets on DVD.
I sure hope Funimation never treats the original Dragon Ball as abysmally as it has Dragon Ball Z with its recent Season Blu rays. Between the cropping and heavy use of DNR, I wouldn't wish a similar treatment on any series. Just give us the rest of the Dragon Boxes for God's sake.