I roto i te waenganui o 2005, Mustaine whakaritea he haerenga whakangahau whakangahau, Gigantour i roto i Buenos Aires. headlined Megadeth te haerenga tuatahi ki te mahi pērā i Dream Theater, Nevermore, Anthrax, ko Fear Factory. i whakaahuatia nga whakaaturanga i te Montreal me Vancouver whakaaturanga i kiriata, ka tuhituhia hoki te ora DVD-me-CD huinga tukua i roto i te hauwhā tuarua o 2006. i runga i Oketopa 9, i muri i te angitu o te Pūnaha kua taka, me te Blackmail te ao haerenga ao, ka korerotia Mustaine ki te mano hokona-i roto i te Pepsi Rock Music Festival i Argentina e Megadeth tonu ki te tuhi me te haerenga. i whakaahuatia te konohete, tū i roto i Obras Sanitarias Stadium i Buenos Aires i mua o 25,000 mau hoa, ka tukua i runga i te DVD rite Kotahi: e ora i roto i Buenos Aires i te 2007. i roto i te Hui-tanguru 2006, i mahue bassist James Loop Maclin i te rōpū "Don't overlook personal differences". i whakakapia e James Lee, i mahi ki a Arch Enemy,
Ko te tau 2006