Well you can really tell the PhoneGap community is starting to mature when a post like this comes out. Daniel Pfeiffer and the crew at Float must be really sharp guys and we're stoked they're using PhoneGap and sharing a bit of their knowlege. I don't want to steal their thunder so here's just outline of their
-Test on a device early
-Listen for 'touchstart' instead of 'click'
-Concatenate and minify
-Update the OS
-Split up the work
-Disable the multi-tasking
Please let me know if you have any other tips to share with the rest of the PhoneGap community.