Who is Liverpool FC interested in signing?

In the summer of 2011 Liverpool bought:

Stewart Downing (Aston Villa, £20m), Jordan Henderson (Sunderland, £16m), Charlie Adam (£9m), Jose Enrique (Newcastle, £6m), Alexander Doni (Roma, free), Sebastian Coates (Nacional, undisclosed), Craig Bellamy (Manchester City, free), and Villyan Bijev (California Odyssey, undisclosed).