(Official) Super Mario World OST 3xLP available to pre-order.
Coming April 30th. Purportedly, it's based on the 1991 CD release in Japan, which includes the OST, the jazz arrangement, and the sound effects from SMB1-3 as well as World. Two Japanese online stores already have them on pre-order:
I'm very alarmed that this is apparently a legitimate thing. Hopefully Amazon.jp and distros will soon follow. [UPDATE 1/17: And they have]
Black Screen Records [first European store so far]