I get this as well:
avrdude: stk500_getsync(): not in sync: resp=0x00
Perhaps the 1200 Baud kick doesn't do its job?
I did come up with this post:
http://forum.arduino.cc/index.php/topic,108270.msg838797.html#msg838797
I'll try and see what happens.
I'll also try the DFU thing with FLIP from atmel.
thanks