Here's a build I've been messing around with and it works really well. Rips through opponents with ease and is quite durable.
PowerHouse (Link to this build)Name: Way of the ChainsawArchetype: FreeformSuper Stats:Level 6: Dexterity (Primary)Level 10: Strength (Secondary)Level 15: Intelligence (Secondary)Talents:Level 1: The FistLevel 6: AgileLevel 9: MightyLevel 12: BrilliantLevel 15: Martial FocusLevel 18: CoordinatedLevel 21: Body and MindPowers:Level 1: Righteous FistsLevel 1: Thunderbolt Lunge (Essence Assault, Nailed to the Ground)Level 6: Way of the Warrior (Rank 2, Rank 3)Level 8: Gauntlet Chainsaw (Rank 2, Rank 3)Level 11: Form of the TempestLevel 14: Bountiful Chi Resurgence (Rank 2, Resurgent Reiki)Level 17: Dragon Kick (Rank 2, Lashing Dragon Tail)Level 20: Parry (The Elusive Monk)Level 23: Molecular Self-AssemblyLevel 26: Conviction (Rank 2, Rank 3)Level 29: Masterful DodgeLevel 32: IntensityLevel 35: Evasive Maneuvers (Rank 2, Sleight of Mind)Level 38: Inexorable Tides (Instep Crush)Travel Powers:Level 6: Displacement Acrobatics (Rank 2, Rank 3)Level 35: Teleportation (Rank 2)Specializations:Dexterity: Combat Training (2/3)Dexterity: Gear Utilization (3/3)Dexterity: Deadly Aim (3/3)Dexterity: Expose Weakness (2/2)Vindicator: Aggressive Stance (2/2)Vindicator: Merciless (3/3)Vindicator: Offensive Expertise (2/2)Vindicator: Mass Destruction (3/3)Warden: Fortified Gear (3/3)Warden: Ruthless (2/2)Warden: Reactive Strikes (2/2)Warden: The Best Defense (3/3)Mastery: Dexterity Mastery (1/1)