I googled on the latest version: "en_microsoft_desktop_optimization_pack_2010_refresh_x86_x64_dvd_503264" and found many download links at letitbit. Used the slow download and left running overnight, took about 5hrs I think but hey it worth it right
Microsoft Desktop Optimization Pack 2011 R2 (x86 and x64) - (English) en_microsoft_desktop_optimization_pack_2011_r2_x86_x64_dvd_715181.iso Need this iso please upload again.