eldar tau 500

Hi I have a 500 pt game vs Tau, and wondered if you could look at my army list (I don't have bikes by the way, and he will not be using Kroot or those other winged aliens) Autarch [Warp pack, Mandy, Chainsword, Melta] 120 5x DA 60 5 Pathfinders 120 Falcon [EML, Vectored Engines, Holo...