MAC P.S. I Like You is a warm pink with a satin finish that is limited edition and retails for $22.00. In comparison, NARS 413 BLKR (Blush) is a warm pink with a pearl finish that is permanent and retails for $30.00.
NARS 413 BLKR (Blush) is 85% similar — it is less pigmented, cooler, less glossy.