Help on London Broil

[copkid]

I researched the forum, but couldn't find what I was looking for, or I missed it. I have a top round steak, about 2lbs, that I want to grill up this evening. I know I need to sear fast, and keep to medium or medium rare, but I need some input on a possible marinade or seasonings. Hubby doesn't like a strong wooster based marinade, prefers meat fairly simple tasting. Any good suggestions? It is decently marbled, but all fat has been pretty much trimmed off, (by the store).
Help?

[NewBQ]

Kosher salt and coarse ground pepper!

[BluDawg]

BluDawgs Bovine nectar

1 package McCormick Aus Jus
2 cups Coffee
2 tbl oliveoil
1 tbl bbq rub
1 tbl Worcestershire

coat the outside heavy with Balck pepper and very little K salt, mix it up the Bovine nectar and inject the meat grill "direct" over really hot coals 3 min per side rest for 10 min slice on the bias against the grain.