High sensitivity measurements of the CMB power spectrum with the extended Very Small Array by Dickinson, C, Battye, R, Cleary, K, Davies, R, Davis, R, Genova-Santos, R, Grainge, K, Gutierrez, C, Hafez, Y, Hobson, M, Jones, M, Kneissl, R, Lancaster, K, Lasenby, A, Leahy, J, Maisinger, K, Odman, C, Pooley, G, Rajguru, N, Rebolo, R, Rubino-Martin, J, Saunders, R, Savage, R, Scaife, A, Scott, P