keen to look after my leather calais interior, i like the wet look but have heard many times about armorall is not the go(silicon) any other product that i can use on the leather and dash etc??? v6 has done 200thou what's a top oil for her? "royal purple" i"m thinking. other suggestions? whats the best anti rust system for a decent price dont want to spend hundreds. got a few marks one the leather, what a stain/re-colouring product availible to touch it up?