Case T-442/03: Judgment of the Court of First Instance of 26 June 2008 — SIC v Commission (State aid — Measures taken by the Portuguese Republic for the public service broadcaster RTP in order to finance its public service remit — Decision declaring that certain measures do not constitute State aid and that the others are compatible with the common market — Classification as State aid — Compatibility with the common market — Obligation to undertake a diligent and impartial investigation)