Be there first: After all the brouhaha over the From Russia paintings, this is surely the show to see in its opening week. Stunning, inspirational works by the likes of Renoir, Cézanne, Gauguin, Matisse, Kandinsky, Tatlin and Malevich come to the Royal Academy from Saturday. This is jaw-dropping art you'd normally only get to see with a deep, heavy, carbon-footprint inducing flight to Russia, we're lucky enough to have it on our doorsteps until......