Thanks Luciano,
This seems to be a great solution but still need an external module. At least it's not as expensive as any other scope. Anyways i keep it in mind and on my list.

@Ralph

Well i don't really know as now. In fact i know nothing about the signal to be recorded and reproduce. I thought about a sound-card recording but... Of course i can take my scope and use it on the road but i hate to have few ten thousand dollar on a 'on the road job'/ Maybe i'll have no other choice. IMHO SerialComm or Parrallel Port could be fast enough... maybe soundcard too.

Yeah i assume i should know more about but... my customer don't know much

Anyways, if you have any solution, i'm all ears.

Thanks again Luciano and Ralph.

Back in Canada soon! Maybe next week... in the snow... arrrgh!