Fancy foam is one
http://www.fancyfoam.com/
Try the Vrolet
The Enticement and Sobre from Horizon are good too
There are several from overseas....
The Mercury is getting good reviews as is the Nexus F3P (don't know how to get them here...)
Whichever way you go, it MUST be light... 5oz or so.....
anything heavier just doesn't fly as well