Comparaison on GUI toolkit on python

[carniel]

I have a big multi plate forme (linux, mac, win) application to write.
My criter is : rapidity, i need tree, table, frame, popup menu widget, and a
graphic designer

Actually i am looking wxWindows , qtPython, TK.

Do you know other solution ?
Where can i find a comparaison?
Is this tool inproved ?
where can i find some Designed, and Programming editor dedicate to python ?

Thank you for you information?

PS: Excuse me if this question is already asked in this groupe i fall in
love with python, but it new for me