i have this message "one or more files were not imported because there were problems reading them", i was importing just one aiff file of 400k, 44hz 16 bits stereo (without compression) for the test, sampled from a CD a 5seconds sequence, i've tried with some other (11, 22... mono... 8bits) but i had the same message, i've just did the 4.0a upgrade for this purspose... someone had the same problem before ? ... another precision i have enough ram