As stated by the folks over at Beyond3D, ATI's shareholders seem game for the acquisition to take place.
Meeting this morning in Toronto, ATI shareholders met their 2/3rds requirement to approve the merger with AMD. The actual vote was 99.72% in favor. This is the last major process hurdle to finalizing the deal, which is expected to complete all the fussy details (like actually paying out the ex-ATI shareholders) before November 30th.