Try the Firefox '''Mobile''' support forum. http://mobile.support.mozilla.com/en-US/kb/

Thanks for the feedback! We are working on proving scrolling and zooming performance in Fennec 2.0 beta 1 and 2.0 beta 2, which will be released later this year. https://wiki.mozilla.org/Mobile/Layers contains some development information about this work. the-edmeister, the separate mobile support forums has closed. We are now directing Fennec users to the main support.mozilla.org site.