Hey there
Terence McKenna argues that A. Muscaria could not be the Soma of the Vedas, because Soma is said to cause "bliss", while A. muscaria is more apt to cause bewildered delirium. I've not partaken of the great Muscaria myself, but reading through numerous accounts of the experience seems to corroborate his claim.
What say you? Is there a blissful experience to be had in the A. muscaria?