Seaball
Email rainbowten
www.rainbowten.co.jp, they dont have Atlas parts listed but get a delivery from Miwahobby weekly so they can get what you need, prices are about 50% of Integy.
Dragon
Make yourself some swaybars, get some 'music wire' from a hobby shop and bend them to the same shape as your original bars. Costs about 50c per metre!!