Bleve post # 2562: that's a good article from AERO.
On the 330/340 you can put ''aoa'' into the ACMS on MCDU 3 and this gives a direct readout of aoa typically 2.2 - 2.4 degrees nose up at fl 370 M.81. Now if only AB would copy that info to the PFD, and better still to a separate instrument on the instr panel....