There are many cool mechas in "Mobile Suit Gundam 00", here are some examples:
-GN-001/R: Gundam Exia, made by Celestial Being The first Gundam has powerful firepower and defense capabilities.
-GN-000GNR-0100Raiser: GN Armor Group Model E is an upgraded version of GN-001/R, with higher performance and stronger firepower.
-GNR-010Raiser: GN Armor Group Model E, an improved version of GN-001/R, with higher performance and stronger firepower.
-ZGMF-X56S/Arios Gundam: Ashura Gundam is one of the main units of the Earth Federation Army's 8th Fleet. It has high speed and high maneuverability.
-ZGMF-X42S/HeavyArmoredStrikeGundam: The Heavy Assault Gundam is one of the main units of the Earth Federation Army’s 8th Fleet and has high defense and attack power.