ora:Thank you for your reply .I' am using VLC for watching .avi files .I cant use virtual pc (sold my pb 17 - 1 ghz & buyed a PM G5)But as you say there are lots of programs on the pc side that can easily do this like tmpgenc and 100's of others.I dont want to use a pc just for this

Zammy : Thank for your reply
Neyo: You are right! Actually thats my main reason ( i can convert everythink w/o sound) i allready have qt pro and few other video edit programs but anyway please let me know if anyone find's a solution
