Hello i downloaded two different sets of Windows.Server.Standard.2003.R2 isos. Set1 Windows.Server.Standard.2003.R2.English.ISO.64-bit_CD1_MLF_X13-73750 Windows.Server.Standard.2003.R2.English.ISO.64-bit_CD2_MLF_X13-73754 Set2 en_win_srv_2003_r2_standard_x64_with_sp2_cd1_X13-05757 en_win_srv_2003_r2_standard_x64_with_sp2_vl_cd2_X13-68587 is there any differences between these two sets ? what is the latest release ?