Take the sirloin steak out of the marinade 30 minutes before cooking it. Let the excess marinade drip off, then pat the steak dry with clean paper towels. Leave the steak out of the refrigerator so it can reach room temperature. Chilled beef toughens when it hits a hot pan.
Worthy of note: Brand-name Plavix is now selling for $7.50/pill at Walgreen's, a significant rise from the pre-generic era. In fact, Walgreen's current generic price of $5.50 is slightly more than the brand-name price was before the drug went generic.
(Note: A newer version of this article appears here, updated as of October 4, 2012) The financial cost of Plavix has been a problem for many stent patients who are prescribed this expensive brand-name antiplatelet drug. The new generic Plavix (clopidogrel) can be purchased for a fraction of the price.