Carrol 

I agree with you about "Near Periogord", however, I would suggest consideration also be given for "In a Station Of the Metro" and "The Game of Chess" as twin ushers for modernism.  Hugh Witemeyer called "In a station of the Metro" the "program poem" for Imagism and "The Game of Chess" the "program poem" for Vorticism.  (pg 38 of "The Poetry of Ezra Pound: Forms and Renewal, 1908-1920" by Hugh Witemeyer)

Personally I think Pound challenged Eliot with "Homage to Sextus Propertius" if not with "Hugh Selwyn Mauberley".

Rick Seddon
Portales, NM