If you have your heart set on a certain resort during peak season go ahead and book as soon as possible! One other thing to keep in mind when booking a Walt Disney Vacation is if there is a special such as a room discount or free dining during your travel dates, it WILL NOT be automatically applied to your reservation.
Letting the roast rest for 10-15 minutes, pulls the juices back into the roast and results in juicy tender meat. Use a nice long craving knife to slice up the roast. There are many different cuts of beef and the top sirloin roast is one of my favourites.
For a 2 inch boneless top sirloin total cooking time of about 18 minutes will give medium rare results. Ideally, you should be using a great instant-read meat thermometer. For medium-rare, cook the steak until the internal temperature is 135 degrees, then remove and allow the top sirloin steak to rest for 5 minutes.