MAC So, So Saucy is a warm peach with a frost finish that is limited edition and retails for $22.00. In comparison, Anastasia B1 (Norvina Vol. 4) is a warm gold with a metallic finish that is limited edition and retails for $12.00.
Anastasia B1 (Norvina Vol. 4) is 85% similar — it is more shimmery, lighter, cooler.