Back from school 
I use the ATmegaBOOT_168_diecimila.hex from IDE 1.0 .
When i upload via FTDI it does 80% of the uploading but then it gets out os sync.
Uploading a sketch via AVRDUDE or bootloading only works if i do -VVVV else it will get the same error in avrdude.
I hope you an help me
Spikee