Paul, there are some great eateries near and far, depends on what you looking for. The easiest option is to have a look in the CA Guide, 2007 edition available from 10:00 pm tonight, or last years edition.
http://www.clubarnage.com/caguide/There is a good restaurant at St Saturnin, thats just north of LM itself, ideal during Friday during the Great British Welcome, the theme this year is Healey, could be worth a visit, good weather, beautiful cars and food as well.
http://www.classicbw.org/uk/index.php