InfoPath Dev

 I have a filtered data connection to a sp list, I am filtering the list by passing in the ID of the desired row and programatically creating the url in the format: http://<mysite>/_vti_bin/owssvr.dll?Cmd=Display&List={GUID}&FilterField1=ID&FilterValue1=734   This returns the data very quickly in a list w/over 8,000 ...

I am very new to Infopath development, but I have managed to put together a few resource management forms.  I have several data connections to various Sharepoint lists and I have implemented a few cascading dropdowns for the browser enabled forms.  My problem is the performance, the lists range from 10 to 800 distinct values and the ...