RE: pushrods for Avistar
You could outfit your Avistar with CF pushrods for not too much money.
You can get the CF pushrod ends [link=http://www.connectorsrc.com]HERE[/link]
And you can get a good deal on Carbon tube [link=http://www.kitebuilder.com/catalog/index.php/cPath/33_56_58?osCsid=0255027001432d53560f67fba270b946]HERE[/link]