Don't know if anyone's interested, but here's my favorite marinade/slather for beef. It's perfect to go on a nice lump of topside. I usually slather the meat for 6-8 hours before slow roasting.......
2 tsp English mustard,
5 tsp Dark Soy sauce,
1 tsp fresh groung black pepper,
2 finely chopped cloves of garlic,
1 tsp tomato puree,
10 tsp soft brown sugar,
4 tsp Balsamic vinegar.
Don't know how it'd take to smoking, but I reckon it'd be gooooood :D