[abrasive]

i am not very certain of the source of the problem, but i have found that if you up the system default font size to one size larger in the actual control panel, it greatly diminishes the lag.
im suspicious that this is caused by the rendering of the text in the entry box at the bottom of the threaded chat. it changes to showing only one line of the response instead of two at a time. it seemed to help with my problem.

hope this helps those of you in despair out there! i know how much of a hindrance it is to the best phone out there...