I recently ran out of my favorite blush - NARS Orgasm - the color that (ahem) is supposed to flatter everyone.
I decided to search for a drug store alternative because - even though I only buy make up about once a year - the cost really adds up.
I brought the last fleck of my NARS into Walgreen's and matched it to Neutrogena's Healthy Skin Blush and Bronzer in "Rosy." When I mix the blush and bronzer, the color is nearly identical to the NARS - just slightly less gold - and at $12.99 it is about $27 cheaper.
I definitely am not qualified to guarantee - or even promise - that it will look good on you, but it is worth a try!